@ARTICLE{
author={Hu Yue,Zhao Jianlei,Zhou Hao,Kovacic Ivana N,Hua Runan,Li Honggang,Zhu Rui},
year={2026},
title={Integrated design of thermally actuated metastructure for modulatable dual vibration isolation function},
journal={ENGINEERING STRUCTURES},
volume={353},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Teofanov Ljiljana,Zhu Rui,Wang Xiao,Zhao Jianlei},
year={2025},
title={Vibration control via finite and semi-infinite vibration attenuation regions in the chain of mass-in-mass units: from theory to experiments},
journal={NONLINEAR DYNAMICS},
volume={},
number={},
pages={-},
document_type={Article; Early Access},
} 

@ARTICLE{
author={Yi Kaijun,Jiang Shouqian,Kovacic Ivana N,Zhao Jianlei,Zhu Rui},
year={2025},
title={Vibration transmissibility of piezoelectric quasi-zero stiffness metastructures with linear and nonlinear shunts},
journal={SMART MATERIALS AND STRUCTURES},
volume={34},
number={4},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Wang Xiao,Zhao Jianlei,Kovacic Ivana N,Li Honggang,Hua Runan,Zhu Rui},
year={2025},
title={A new strategy for vibration suppression in locally resonant metamaterials based on autoparametric resonance},
journal={NONLINEAR DYNAMICS},
volume={},
number={},
pages={-},
document_type={Article; Early Access},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2025},
title={On a Generalized Superellipse: From Models to Applications},
journal={MATHEMATICAL METHODS IN THE APPLIED SCIENCES},
volume={},
number={},
pages={-},
document_type={Article; Early Access},
} 

@ARTICLE{
author={Wang Mingfei,Yi Kaijun,Kovacic Ivana N,Zhou Xiaoming,Zhu Rui},
year={2025},
title={Ultralow-frequency absorption mechanism of a hybrid membrane resonator with acoustic soft boundary condition},
journal={JOURNAL OF SOUND AND VIBRATION},
volume={596},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Zhao Jianlei,Kovacic Ivana N,Zhu Rui},
year={2024},
title={Wideband vibration attenuation of a metamaterial beam via integrated hardening and softening nonlinear resonators},
journal={NONLINEAR DYNAMICS},
volume={},
number={},
pages={-},
document_type={Article; Early Access},
} 

@ARTICLE{
author={Jiang Shouqian,Liu Zhiyuan,Yi Kaijun,Zhu Rui,Kovacic Ivana N},
year={2024},
title={Design of piezoelectric quasi- zero-stiffness metastructures for improved low-frequency vibration isolation},
journal={SMART MATERIALS AND STRUCTURES},
volume={33},
number={11},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Kanovic Zeljko S,Rajs Vladimir M,Teofanov Ljiljana,Zhu Rui},
year={2024},
title={Reaching a desirable metastructure for passive vibration attenuation by using a machine learning approach},
journal={NONLINEAR DYNAMICS},
volume={},
number={},
pages={-},
document_type={Article; Early Access},
} 

@ARTICLE{
author={Zhou Hao,Zhao Jianlei,Tian Yiran,Kovacic Ivana N,Zhu Rui},
year={2024},
title={Locally resonant metamaterial for the regulation of damage-related nonlinearity based on second harmonic generation},
journal={NONLINEAR DYNAMICS},
volume={},
number={},
pages={-},
document_type={Article; Early Access},
} 

@ARTICLE{
author={Kovacic Ivana N,Teofanov Ljiljana,Kanovic Zeljko S,Zhao Jianlei,Zhu Rui,Rajs Vladimir M},
year={2023},
title={On the influence of internal oscillators on the performance of metastructures: Modelling and tuning conditions},
journal={MECHANICAL SYSTEMS AND SIGNAL PROCESSING},
volume={205},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Zhao Jianlei,Zhou Hao,Yi Kaijun,Kovacic Ivana N,Zhu Rui},
year={2023},
title={Ultra-broad bandgap induced by hybrid hardening and softening nonlinearity in metastructure},
journal={NONLINEAR DYNAMICS},
volume={111},
number={19},
pages={17687-17707},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Kanovic Zeljko S},
year={2023},
title={Chladni Plate in Anechoic Chamber: Symmetry in Vibrational and Acoustic Response},
journal={SYMMETRY-BASEL},
volume={15},
number={9},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Zhao Jianlei,Zhou Gang,Zhang Duzhou,Kovacic Ivana N,Zhu Rui,Hu Haiyan},
year={2023},
title={Integrated design of a lightweight metastructure for broadband vibration isolation},
journal={INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES},
volume={244},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Rakaric Zvonko,Kanovic Zeljko S,Rajs Vladimir M},
year={2022},
title={Metastructure with integrated internal oscillators of constant, linearly and nonlinearly varying natural frequency},
journal={FRONTIERS IN PHYSICS},
volume={10},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Andonovski Nemanja,Kovacic Ivana N,Lenci Stefano},
year={2022},
title={On the Dynamics of a Biomimetic Model of a Sympodial Tree: From Bifurcations Diagrams and 6D Basins of Attraction to Dynamical Integrity and Robustness},
journal={JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS},
volume={17},
number={1},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Zukovic Miodrag M,Hajradinovic Dzanko,Kovacic Ivana N},
year={2022},
title={Vibro-impact system with non-ideal excitation: analytical investigations (vol 106, pg 105, 2021)},
journal={NONLINEAR DYNAMICS},
volume={107},
number={1},
pages={1411-1411},
document_type={Correction},
} 

@ARTICLE{
author={Zukovic Miodrag M,Hajradinovic Dzanko,Kovacic Ivana N},
year={2021},
title={Vibro-impact system with non-ideal excitation: analytical investigations},
journal={NONLINEAR DYNAMICS},
volume={106},
number={1},
pages={105-123},
document_type={Article},
} 

@ARTICLE{
author={Zukovic Miodrag M,Hajradinovic Dzanko,Kovacic Ivana N},
year={2021},
title={On the dynamics of vibro-impact systems with ideal and non-ideal excitation},
journal={MECCANICA},
volume={56},
number={2},
pages={439-460},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2021},
title={On the use of Jacobi elliptic functions for modelling the response of antisymmetric oscillators with a constant restoring force},
journal={COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION},
volume={93},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Brennan MJ,Gatti Gianluca,Kovacic Ivana N},
year={2020},
title={On rotating vectors, Jacobi elliptic functions and free vibration of the Duffing oscillator},
journal={INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS},
volume={126},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Zukovic Miodrag M,Radomirovic Dragi},
year={2020},
title={Normal modes of a double pendulum at low energy levels},
journal={NONLINEAR DYNAMICS},
volume={99},
number={3},
pages={1893-1908},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Zukovic Miodrag M,Radomirovic Dragi},
year={2020},
title={On a localization phenomenon in two types of bio-inspired hierarchically organized oscillatory systems},
journal={NONLINEAR DYNAMICS},
volume={99},
number={1},
pages={679-706},
document_type={Article},
} 

@ARTICLE{
author={Awrejcewicz Jan,Kovacic Ivana N},
year={2019},
title={Editorial},
journal={PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART I-JOURNAL OF SYSTEMS AND CONTROL ENGINEERING},
volume={233},
number={4},
pages={359-359},
document_type={Editorial Material},
} 

@ARTICLE{
author={Kovacic Ivana N,Gatti Gianluca},
year={2018},
title={Some benefits of using exact solutions of forced nonlinear oscillators: Theoretical and experimental investigations},
journal={JOURNAL OF SOUND AND VIBRATION},
volume={436},
number={},
pages={310-326},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Radomirovic Dragi,Zukovic Miodrag M},
year={2018},
title={Tree vibrations: Determining oscillatory properties by using infra-red marker-tracking system},
journal={URBAN FORESTRY & URBAN GREENING},
volume={34},
number={},
pages={114-120},
document_type={Article},
} 

@ARTICLE{
author={Radomirovic Dragi,Kovacic Ivana N,Gatti Gianluca},
year={2018},
title={Equal stiffness in all directions: From theory to experiments},
journal={PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY},
volume={52},
number={},
pages={418-424},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Lenci Stefano},
year={2018},
title={Externally excited purely nonlinear oscillators: insights into their response at different excitation frequencies},
journal={NONLINEAR DYNAMICS},
volume={93},
number={1},
pages={119-132},
document_type={Article; Proceedings Paper},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2018},
title={Externally excited undamped and damped linear and nonlinear oscillators: Exact solutions and tuning to a desired exact form of the response},
journal={INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS},
volume={102},
number={},
pages={72-81},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Radomirovic Dragi,Zukovic Miodrag M,Benka Pavel P,Nikolic Milutin N},
year={2018},
title={Characterisation of tree vibrations based on the model of orthogonal oscillations},
journal={SCIENTIFIC REPORTS},
volume={8},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Radomirovic Dragi},
year={2018},
title={Insights into mechanical properties of certain bio-inspired branched structures},
journal={MECCANICA},
volume={53},
number={9},
pages={2209-2220},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Rand Richard H,Sah Si Mohamed},
year={2018},
title={Mathieu's Equation and Its Generalizations: Overview of Stability Charts and Their Features},
journal={APPLIED MECHANICS REVIEWS},
volume={70},
number={2},
pages={-},
document_type={Review},
} 

@ARTICLE{
author={Kovacic Ivana N,Zukovic Miodrag M,Radomirovic Dragi},
year={2018},
title={Sympodial tree-like structures: from small to large-amplitude vibrations},
journal={BIOINSPIRATION & BIOMIMETICS},
volume={13},
number={2},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Zukovic Miodrag M},
year={2018},
title={On the response of some discrete and continuous oscillatory systems with pure cubic nonlinearity: Exact solutions},
journal={INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS},
volume={98},
number={},
pages={13-22},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Zukovic Miodrag M},
year={2017},
title={From a chain of nonlinear oscillators to nonlinear longitudinal vibrations of an elastic bar: the case of pure nonlinearity},
journal={X INTERNATIONAL CONFERENCE ON STRUCTURAL DYNAMICS (EURODYN 2017)},
volume={199},
number={},
pages={687-692},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Rakaric Zvonko,Kovacic Ivana N,Cartmell Matthew P},
year={2017},
title={On the design of external excitations in order to make nonlinear oscillators respond as free oscillators of the same or different type},
journal={INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS},
volume={94},
number={},
pages={323-333},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2017},
title={On the response of purely nonlinear oscillators: An Ateb-type solution for motion and an Ateb-type external excitation},
journal={INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS},
volume={92},
number={},
pages={15-24},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Zukovic Miodrag M},
year={2017},
title={Coupled purely nonlinear oscillators: normal modes and exact solutions for free and forced responses},
journal={NONLINEAR DYNAMICS},
volume={87},
number={1},
pages={713-726},
document_type={Article},
} 

@ARTICLE{
author={Zukovic Miodrag M,Kovacic Ivana N},
year={2017},
title={An insight into the behaviour of oscillators with a periodically piecewise-defined time-varying mass},
journal={COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION},
volume={42},
number={},
pages={187-203},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Cveticanin Livija J,Zukovic Miodrag M,Rakaric Zvonko},
year={2016},
title={Jacobi elliptic functions: A review of nonlinear oscillatory application problems},
journal={JOURNAL OF SOUND AND VIBRATION},
volume={380},
number={},
pages={1-36},
document_type={Review},
} 

@ARTICLE{
author={Rakaric Zvonko,Kovacic Ivana N},
year={2016},
title={Mechanical manifestations of bursting oscillations in slowly rotating systems},
journal={MECHANICAL SYSTEMS AND SIGNAL PROCESSING},
volume={81},
number={},
pages={35-42},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2016},
title={Four Types of Strongly Nonlinear Oscillators: Generalization of a Perturbation Procedure},
journal={IUTAM SYMPOSIUM ANALYTICAL METHODS IN NONLINEAR DYNAMICS},
volume={19},
number={},
pages={101-109},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Ramlan Roszaidi,Brennan Michael J,Kovacic Ivana N,Mace Brian R,Burrow Stephen G},
year={2016},
title={Exploiting knowledge of jump-up and jump-down frequencies to determine the parameters of a Duffing oscillator},
journal={COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION},
volume={37},
number={},
pages={282-291},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2016},
title={On the response of antisymmetric constant force oscillators: Exact and approximate solutions},
journal={COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION},
volume={32},
number={},
pages={305-316},
document_type={Article},
} 

@ARTICLE{
author={Gatti Gianluca,Brennan Michael J,Kovacic Ivana N},
year={2015},
title={An Investigation into the Dynamic Interaction Between an Electro-dynamic Shaker and a Test Structure with Cubic Nonlinearity},
journal={Structural Nonlinear Dynamics and Diagnosis},
volume={168},
number={},
pages={283-303},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Kovacic Ivana N,Cartmell Matthew P,Zukovic Miodrag M},
year={2015},
title={Mixed-mode dynamics of certain bistable oscillators: behavioural mapping, approximations for motion and links with van der Pol oscillators},
journal={PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES},
volume={471},
number={2184},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Radomirovic Dragi,Kovacic Ivana N},
year={2015},
title={An equivalent spring for nonlinear springs in series},
journal={EUROPEAN JOURNAL OF PHYSICS},
volume={36},
number={5},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Mickens Ronald E},
year={2015},
title={Design of nonlinear isochronous oscillators},
journal={NONLINEAR DYNAMICS},
volume={81},
number={1-2},
pages={53-61},
document_type={Article},
} 

@ARTICLE{
author={Radomirovic Dragi,Kovacic Ivana N},
year={2015},
title={Stiffness properties of certain oscillatory systems: quantification and possibilities for corrections},
journal={EUROPEAN JOURNAL OF PHYSICS},
volume={36},
number={3},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Zukovic Miodrag M,Kovacic Ivana N,Cartmell Matthew P},
year={2015},
title={On the dynamics of a parametrically excited planar tether},
journal={COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION},
volume={26},
number={1-3},
pages={250-264},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2014},
title={On the Use of Special Functions for Studying Truly Nonlinear Conservative Oscillators},
journal={MATHEMATICS OF CONTINUOUS AND DISCRETE DYNAMICAL SYSTEMS},
volume={618},
number={},
pages={281-298},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Kovacic Ivana N,Rand Richard H},
year={2014},
title={Two Paths to Isochronicity in a Class of One Degree of Freedom Oscillators},
journal={PROCEEDINGS OF THE ASME INTERNATIONAL DESIGN ENGINEERING TECHNICAL CONFERENCES AND COMPUTERS AND INFORMATION IN ENGINEERING CONFERENCE, 2013, VOL 8},
volume={},
number={},
pages={-},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Kovacic Ivana N,Rand Richard H},
year={2014},
title={Duffing-Type Oscillators with Amplitude-Independent Period},
journal={APPLIED NON-LINEAR DYNAMICAL SYSTEMS},
volume={93},
number={},
pages={1-10},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Radomirovic Dragi,Kovacic Ivana N},
year={2014},
title={On the equivalent systems for concurrent springs and dampers - Part 2: Small out-of-plane oscillations},
journal={PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE},
volume={228},
number={14},
pages={2532-2544},
document_type={Article},
} 

@ARTICLE{
author={Radomirovic Dragi,Kovacic Ivana N},
year={2014},
title={On the equivalent systems for concurrent springs and dampers - Part 1: Small in-plane oscillations},
journal={PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE},
volume={228},
number={14},
pages={2520-2531},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2014},
title={On some performance characteristics of base excited vibration isolation systems with a purely nonlinear restoring force},
journal={INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS},
volume={65},
number={},
pages={44-52},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Zukovic Miodrag M},
year={2014},
title={A pendulum with an elliptic-type parametric excitation: Stability charts for a damped and undamped system},
journal={COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION},
volume={19},
number={4},
pages={1185-1202},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2013},
title={Nonlinear Oscillators with a Power-Form Restoring Force: Non-Isochronous and Isochronous Case},
journal={ACOUSTICS & VIBRATION OF MECHANICAL STRUCTURES},
volume={430},
number={},
pages={14-21},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2013},
title={Harmonically excited generalized van der Pol oscillators: Entrainment phenomenon},
journal={MECCANICA},
volume={48},
number={10},
pages={2415-2425},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Rand Richard H},
year={2013},
title={About a class of nonlinear oscillators with amplitude-independent frequency},
journal={NONLINEAR DYNAMICS},
volume={74},
number={1-2},
pages={455-465},
document_type={Article},
} 

@ARTICLE{
author={Radomirovic Dragi,Kovacic Ivana N},
year={2013},
title={Deflection and potential energy of linear and nonlinear springs: approximate expressions in terms of generalized coordinates},
journal={EUROPEAN JOURNAL OF PHYSICS},
volume={34},
number={3},
pages={537-546},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Rand Richard H},
year={2013},
title={Straight-line backbone curve},
journal={COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION},
volume={18},
number={9},
pages={2281-2288},
document_type={Article},
} 

@ARTICLE{
author={Rakaric Zvonko,Kovacic Ivana N},
year={2013},
title={An elliptic averaging method for harmonically excited oscillators with a purely non-linear non-negative real-power restoring force},
journal={COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION},
volume={18},
number={7},
pages={1888-1901},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Rega Giuseppe,Zukovic Miodrag M},
year={2012},
title={On the influence of a constant force on the appearance of period-doubling bifurcations and chaos in a harmonically excited pure cubic oscillator},
journal={CHAOS SOLITONS & FRACTALS},
volume={45},
number={12},
pages={1531-1540},
document_type={Article},
} 

@ARTICLE{
author={Zukovic Miodrag M,Kovacic Ivana N},
year={2012},
title={On the behavior of parametrically excited purely nonlinear oscillators},
journal={NONLINEAR DYNAMICS},
volume={70},
number={3},
pages={2117-2128},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Zukovic Miodrag M,Cartmell Matthew P},
year={2012},
title={On the oscillation death phenomenon in a double pendulum system with autoparametric interaction},
journal={MODERN PRACTICE IN STRESS AND VIBRATION ANALYSIS 2012 (MPSVA 2012)},
volume={382},
number={},
pages={-},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Cartmell Matthew P,Kovacic Ivana N,Zukovic Miodrag M},
year={2012},
title={Autoparametric interaction in a double pendulum system},
journal={PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE},
volume={226},
number={C8},
pages={1971-1986},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Cartmell Matthew P},
year={2012},
title={Special issue on Parametric Excitation: Applications in science and engineering},
journal={PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE},
volume={226},
number={C8},
pages={1909-1911},
document_type={Editorial Material},
} 

@ARTICLE{
author={Kovacic Ivana N,Zukovic Miodrag M},
year={2012},
title={Oscillators with a power-form restoring force and fractional derivative damping: Application of averaging},
journal={MECHANICS RESEARCH COMMUNICATIONS},
volume={41},
number={},
pages={37-43},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Mickens Ronald E},
year={2012},
title={A generalized van der Pol type oscillator: Investigation of the properties of its limit cycle},
journal={MATHEMATICAL AND COMPUTER MODELLING},
volume={55},
number={3-4},
pages={645-653},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2011},
title={The method of multiple scales for forced oscillators with some real-power nonlinearities in the stiffness and damping force},
journal={CHAOS SOLITONS & FRACTALS},
volume={44},
number={10},
pages={891-901},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2011},
title={Forced vibrations of oscillators with a purely nonlinear power-form restoring force},
journal={JOURNAL OF SOUND AND VIBRATION},
volume={330},
number={17},
pages={4313-4327},
document_type={Article},
} 

@ARTICLE{
author={Radomirovic Dragi,Kovacic Ivana N},
year={2011},
title={Dynamic circle of plane motion},
journal={PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE},
volume={225},
number={C5},
pages={1147-1151},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Rakaric Zvonko},
year={2011},
title={Study of oscillators with a non-negative real-power restoring force and quadratic damping},
journal={NONLINEAR DYNAMICS},
volume={64},
number={3},
pages={293-304},
document_type={Article},
} 

@ARTICLE{
author={Rakaric Zvonko,Kovacic Ivana N},
year={2011},
title={Approximations for motion of the oscillators with a non-negative real-power restoring force},
journal={JOURNAL OF SOUND AND VIBRATION},
volume={330},
number={2},
pages={321-336},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2011},
title={On the motion of a generalized van der Pol oscillator},
journal={COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION},
volume={16},
number={3},
pages={1640-1649},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Rakaric Zvonko,Cveticanin Livija J},
year={2010},
title={A non-simultaneous variational approach for the oscillators with fractional-order power nonlinearities},
journal={APPLIED MATHEMATICS AND COMPUTATION},
volume={217},
number={8},
pages={3944-3954},
document_type={Article},
} 

@ARTICLE{
author={Cveticanin Livija J,Kovacic Ivana N,Rakaric Zvonko},
year={2010},
title={Asymptotic methods for vibrations of the pure non-integer order oscillator},
journal={COMPUTERS & MATHEMATICS WITH APPLICATIONS},
volume={60},
number={9},
pages={2616-2628},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Rakaric Zvonko},
year={2010},
title={Oscillators with a fractional-order restoring force: Higher-order approximations for motion via a modified Ritz method},
journal={COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION},
volume={15},
number={9},
pages={2651-2658},
document_type={Article},
} 

@ARTICLE{
author={Gatti Gianluca,Brennan Michael J,Kovacic Ivana N},
year={2010},
title={On the interaction of the responses at the resonance frequencies of a nonlinear two degrees-of-freedom system},
journal={PHYSICA D-NONLINEAR PHENOMENA},
volume={239},
number={10},
pages={591-599},
document_type={Article},
} 

@ARTICLE{
author={Gatti Gianluca,Kovacic Ivana N,Brennan Michael J},
year={2010},
title={On the response of a harmonically excited two degree-of-freedom system consisting of a linear and a nonlinear quasi-zero stiffness oscillator},
journal={JOURNAL OF SOUND AND VIBRATION},
volume={329},
number={10},
pages={1823-1835},
document_type={Article},
} 

@ARTICLE{
author={Ramlan R,Brennan Michael J,Mace BR,Kovacic Ivana N},
year={2010},
title={Potential benefits of a non-linear stiffness in an energy harvesting device},
journal={NONLINEAR DYNAMICS},
volume={59},
number={4},
pages={545-558},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2010},
title={Invariants and approximate solutions for certain non-linear oscillators by means of the field method},
journal={APPLIED MATHEMATICS AND COMPUTATION},
volume={215},
number={9},
pages={3482-3487},
document_type={Article},
} 

@ARTICLE{
author={Milovanovic Zarko,Kovacic Ivana N,Brennan Michael J},
year={2009},
title={On the Displacement Transmissibility of a Base Excited Viscously Damped Nonlinear Vibration Isolator},
journal={JOURNAL OF VIBRATION AND ACOUSTICS-TRANSACTIONS OF THE ASME},
volume={131},
number={5},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Brennan Michael J,Lineton Benjamin},
year={2009},
title={Effect of a static force on the dynamic behaviour of a harmonically excited quasi-zero stiffness system},
journal={JOURNAL OF SOUND AND VIBRATION},
volume={325},
number={4-5},
pages={870-883},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Brennan Michael J,Lineton Benjamin},
year={2009},
title={On the resonance response of an asymmetric Duffing oscillator <font color='#0066ff'><strong>(Erratum - errors in text - vol 43, pg 858, 2008)</strong></font>},
journal={INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS},
volume={44},
number={7},
pages={829-829},
document_type={Correction},
} 

@ARTICLE{
author={Kovacic Ivana N,Cveticanin Livija J},
year={2009},
title={The Effects of Strong Cubic Nonlinearity on the Existence of Periodic Solutions of the Mathieu-Duffing Equation},
journal={JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME},
volume={76},
number={5},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2009},
title={On the motion of non-linear oscillators with a fractional-order restoring force and time variable parameters},
journal={PHYSICS LETTERS A},
volume={373},
number={21},
pages={1839-1843},
document_type={Article},
} 

@ARTICLE{
author={Carrella A,Brennan Michael J,Kovacic Ivana N,Waters Timothy P},
year={2009},
title={On the force transmissibility of a vibration isolator with quasi-zero-stiffness},
journal={JOURNAL OF SOUND AND VIBRATION},
volume={322},
number={4-5},
pages={707-717},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Brennan Michael J,Lineton Benjamin},
year={2008},
title={On the resonance response of an asymmetric Duffing oscillator},
journal={INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS},
volume={43},
number={9},
pages={858-867},
document_type={Article},
} 

@ARTICLE{
author={Brennan Michael J,Kovacic Ivana N,Carrella A,Waters Timothy P},
year={2008},
title={On the jump-up and jump-down frequencies of the Duffing oscillator},
journal={JOURNAL OF SOUND AND VIBRATION},
volume={318},
number={4-5},
pages={1250-1261},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Brennan Michael J,Waters Timothy P},
year={2008},
title={A study of a nonlinear vibration isolator with a quasi-zero stiffness characteristic},
journal={JOURNAL OF SOUND AND VIBRATION},
volume={315},
number={3},
pages={700-711},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N,Brennan Michael J},
year={2008},
title={On the use of two classical series expansion methods to determine the vibration of harmonically excited pure cubic oscillators},
journal={PHYSICS LETTERS A},
volume={372},
number={22},
pages={4028-4032},
document_type={Article},
} 

@ARTICLE{
author={Cveticanin Livija J,Kovacic Ivana N},
year={2007},
title={On the dynamics of bodies with continual mass variation},
journal={JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME},
volume={74},
number={4},
pages={810-815},
document_type={Article},
} 

@ARTICLE{
author={Cveticanin Livija J,Kovacic Ivana N},
year={2007},
title={Parametrically excited vibrations of an oscillator with strong cubic negative nonlinearity},
journal={JOURNAL OF SOUND AND VIBRATION},
volume={304},
number={1-2},
pages={201-212},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2007},
title={Adiabatic invariants of some time-dependent oscillators},
journal={JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL},
volume={40},
number={3},
pages={455-469},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2007},
title={Adiabatic invariants of oscillators with one degree of freedom},
journal={JOURNAL OF SOUND AND VIBRATION},
volume={300},
number={3-5},
pages={695-708},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2006},
title={Conservation laws of two coupled non-linear oscillators},
journal={INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS},
volume={41},
number={5},
pages={751-760},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2005},
title={On the field method in non-holonomic mechanics},
journal={ACTA MECHANICA SINICA},
volume={21},
number={2},
pages={192-196},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2005},
title={Analysis of a weakly non-linear autonomous oscillator by means of the field method},
journal={INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS},
volume={40},
number={5},
pages={775-784},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2004},
title={A field method in the study of weakly non-linear two-degree-of-freedom oscillatory systems},
journal={JOURNAL OF SOUND AND VIBRATION},
volume={271},
number={1-2},
pages={464-468},
document_type={Letter},
} 

@ARTICLE{
author={Kovacic Ivana N},
year={2003},
title={Application of the field method to the non-linear theory of vibrations},
journal={JOURNAL OF SOUND AND VIBRATION},
volume={264},
number={5},
pages={1073-1090},
document_type={Article},
}