Kovacevic Jelena M,Popovic Luka C,Kollatschny Wolfram (2014) A model for the Balmer pseudocontinuum in spectra of type 1 AGNs, ADVANCES IN SPACE RESEARCH, vol. 54, br. 7, str. 1347-1354 (Article) 

Kovacevic Jelena M,Popovic Luka C (2012) The properties of emission lines and their correlations in spectra of Active Galactic Nuclei, 26TH SUMMER SCHOOL AND INTERNATIONAL SYMPOSIUM ON THE PHYSICS OF IONIZED GASES (SPIG 2012), vol. 399, br. , str. - (Proceedings Paper) 

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 (2012) Spectral Optical Monitoring of the Narrow-Line Seyfert 1 Galaxy Ark 564, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, vol. 202, br. 1, str. - (Article) 

Popovic Luka C,Jovanovic Predrag P,Stalevski Marko,Anton S,Andrei AH,Kovacevic Jelena M,Baes Maarten (2012) Photocentric variability of quasars caused by variations in their inner structure: consequences for Gaia measurements, ASTRONOMY & ASTROPHYSICS, vol. 538, br. , str. - (Article) 

Shapovalova Alla I,Popovic Luka C,Ilic Dragana J,Kovacevic Andjelka B,Kovacevic Jelena M,Burenkov Alexander N,Chavushyan Vahram H (2011) Spectral Monitoring of Agn: Preliminary Results for Ark 564 and Arp 102b, BALTIC ASTRONOMY, vol. 20, br. 3, str. 476-480 (Article) 

Popovic Luka C,Kovacevic Jelena M (2011) Optical Emission-line Properties of a Sample of the Broad-line Active Galactic Nuclei: the Baldwin Effect and Eigenvector 1, ASTROPHYSICAL JOURNAL, vol. 738, br. 1, str. - (Article) 

Kovacevic Jelena M (2011) Spectral Properties of Agn with Very Weak [O III] Lines, SERBIAN ASTRONOMICAL JOURNAL, vol. 182, br. , str. 17-24 (Article) 

Popovic Luka C,Moiseev AV,Mediavilla EG,Jovanovic Predrag P,Ilic Dragana J,Kovacevic Jelena M,Munoz JA (2010) Rxj 0921+4529: A Binary Quasar Or a Gravitational Lens?, ASTROPHYSICAL JOURNAL LETTERS, vol. 721, br. 2, str. L139-L142 (Article) 

Kovacevic Jelena M,Popovic Luka C,Dimitrijevic Milan S (2010) Analysis of Optical Fe Ii Emission in a Sample of Active Galactic Nucleus Spectra, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, vol. 189, br. 1, str. 15-36 (Article) 

Kovacevic Jelena M (2009) The Fe II, [O III] and C IV Emission Regions in Spectra of Active Galactic Nuclei, PROCEEDINGS OF THE XV NATIONAL CONFERENCE OF ASTRONOMERS OF SERBIA, vol. 86, br. , str. 407-407 (Proceedings Paper) 

Dimitrijevic Milan S,Popovic Luka C,Jevremovic Darko M,Dacic Miodrag D,Jovanovic Predrag P,Kovacevic Andjelka B,Simic Sasa Z,Simic Zoran J,Ilic Dragana J,Bon Edi A,Gavrilovic Natasa,Kovacevic Jelena M,Milovanovic Nenad D,Tankosic Dragana V,Stalevski Marko (2009) Activities of the Group for Astrophysical Spectroscopy 2005-2008, PROCEEDINGS OF THE XV NATIONAL CONFERENCE OF ASTRONOMERS OF SERBIA, vol. 86, br. , str. 271-278 (Proceedings Paper) 

Jevremovic Darko M,Dimitrijevic Milan S,Popovic Luka C,Dacic Miodrag D,Benisek Vladimir,Bon Edi A,Gavrilovic Natasa,Kovacevic Jelena M,Benisek Vladimir,Kovacevic Andjelka B,Ilic Dragana J,Sahal-Brechot Sylvie,Tsvetkova K,Simic Zoran J,Malovic Miodrag (2009) The project of Serbian Virtual Observatory and data for stellar atmosphere modeling, NEW ASTRONOMY REVIEWS, vol. 53, br. 7-10, str. 222-226 (Proceedings Paper) 

Ilic Dragana J,Kovacevic Jelena M,Popovic Luka C (2009) The line parameters and ratios as the physical probe of the line emitting regions in AGN, NEW ASTRONOMY REVIEWS, vol. 53, br. 7-10, str. 149-155 (Proceedings Paper) 

Popovic Luka C,Smirnova AA,Kovacevic Jelena M,Moiseev AV,Afanasiev VL (2009) Three-Dimensional Spectroscopic Study Of The Line-Emitting Regions Of Mrk 493, ASTRONOMICAL JOURNAL, vol. 137, br. 3, str. 3548-3557 (Article) 

Kovacevic Jelena M,Popovic Luka C,Dimitrijevic Milan S (2008) Relations Among Emission Lines And Continuum Luminosity In Active Galactic Nuclei, 24TH SUMMER SCHOOL AND INTERNATIONAL SYMPOSIUM ON THE PHYSICS OF IONIZED GASES, CONTRIBUTED PAPERS, vol. , br. 84, str. 475-478 (Proceedings Paper) 

Popovic Luka C,Smirnova AA,Ilic Dragana J,Moiseev AV,Kovacevic Jelena M,Afanasiev VL (2007) Emitting gas regions in Mrk 493: An extensive FeII line emission region, CENTRAL ENGINE OF ACTIVE GALACTIC NUCLEI, vol. 373, br. , str. 552-553 (Proceedings Paper) 

Kovacevic Jelena M,Bachev Rumen,Popovic Luka C,Zamanov Radoslav,Marziani Paola (2007) Asymmetry of the CIV lambda 1549 angstrom and [O III] lambda lambda 4959, 5007 angstrom lines in a sample of RQ and RL AGN, SPECTRAL LINE SHAPES IN ASTROPHYSICS, vol. 938, br. , str. 104-108 (Proceedings Paper) 

Dimitrijevic Milan S,Kovacevic Jelena M,Popovic Luka C,Dacic Miodrag D,Ilic Dragana J (2007) The flux ratio of the [OIII] lambda lambda 4959, 51007 angstrom lines in AGN, Fifty Years of Romanian Astrophysics, vol. 895, br. , str. 313-316 (Proceedings Paper) 

Dimitrijevic Milan S,Popovic Luka C,Kovacevic Jelena M,Dacic Miodrag D,Ilic Dragana J (2007) The flux ratio of the [O III]lambda lambda 5007, 4959 lines in AGN: comparison with theoretical calculations, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, vol. 374, br. 3, str. 1181-1184 (Article)