@ARTICLE{
author={Kovacevic Jelena M,Popovic Luka C,Kollatschny Wolfram},
year={2014},
title={A model for the Balmer pseudocontinuum in spectra of type 1 AGNs},
journal={ADVANCES IN SPACE RESEARCH},
volume={54},
number={7},
pages={1347-1354},
document_type={Article},
} 

@ARTICLE{
author={Shapovalova Alla I,Popovic Luka C,Burenkov Alexander N,Chavushyan Vahram H,Ilic Dragana J,Kovacevic Andjelka B,Kollatschny Wolfram,Kovacevic Jelena M,Bochkarev Nikolay G,Valdes JR,Torrealba J,Leon-Tavares J,Mercado Abelardo,Benitez E,Carrasco L,Dultzin D,de la Fuente E},
year={2012},
title={Spectral Optical Monitoring of the Narrow-Line Seyfert 1 Galaxy Ark 564},
journal={ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES},
volume={202},
number={1},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Popovic Luka C,Jovanovic Predrag P,Stalevski Marko,Anton S,Andrei AH,Kovacevic Jelena M,Baes Maarten},
year={2012},
title={Photocentric variability of quasars caused by variations in their inner structure: consequences for Gaia measurements},
journal={ASTRONOMY & ASTROPHYSICS},
volume={538},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Shapovalova Alla I,Popovic Luka C,Ilic Dragana J,Kovacevic Andjelka B,Kovacevic Jelena M,Burenkov Alexander N,Chavushyan Vahram H},
year={2011},
title={Spectral Monitoring of Agn: Preliminary Results for Ark 564 and Arp 102b},
journal={BALTIC ASTRONOMY},
volume={20},
number={3},
pages={476-480},
document_type={Article},
} 

@ARTICLE{
author={Popovic Luka C,Kovacevic Jelena M},
year={2011},
title={Optical Emission-line Properties of a Sample of the Broad-line Active Galactic Nuclei: the Baldwin Effect and Eigenvector 1},
journal={ASTROPHYSICAL JOURNAL},
volume={738},
number={1},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Kovacevic Jelena M},
year={2011},
title={Spectral Properties of Agn with Very Weak [O III] Lines},
journal={SERBIAN ASTRONOMICAL JOURNAL},
volume={182},
number={},
pages={17-24},
document_type={Article},
} 

@ARTICLE{
author={Popovic Luka C,Moiseev AV,Mediavilla EG,Jovanovic Predrag P,Ilic Dragana J,Kovacevic Jelena M,Munoz JA},
year={2010},
title={Rxj 0921+4529: A Binary Quasar Or a Gravitational Lens?},
journal={ASTROPHYSICAL JOURNAL LETTERS},
volume={721},
number={2},
pages={L139-L142},
document_type={Article},
} 

@ARTICLE{
author={Kovacevic Jelena M,Popovic Luka C,Dimitrijevic Milan S},
year={2010},
title={Analysis of Optical Fe Ii Emission in a Sample of Active Galactic Nucleus Spectra},
journal={ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES},
volume={189},
number={1},
pages={15-36},
document_type={Article},
} 

@ARTICLE{
author={Popovic Luka C,Smirnova AA,Kovacevic Jelena M,Moiseev AV,Afanasiev VL},
year={2009},
title={Three-Dimensional Spectroscopic Study Of The Line-Emitting Regions Of Mrk 493},
journal={ASTRONOMICAL JOURNAL},
volume={137},
number={3},
pages={3548-3557},
document_type={Article},
} 

@ARTICLE{
author={Dimitrijevic Milan S,Popovic Luka C,Kovacevic Jelena M,Dacic Miodrag D,Ilic Dragana J},
year={2007},
title={The flux ratio of the [O III]lambda lambda 5007, 4959 lines in AGN: comparison with theoretical calculations},
journal={MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY},
volume={374},
number={3},
pages={1181-1184},
document_type={Article},
}