@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,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={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={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={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},
}