| Issue Date | Title | Author(s) | Rank |
| 2016 | Broad emission lines variability: a window into the heart of AGN | Ilić, Dragana ; Popović, Luka ; Shapovalova, Alla I.; Afanasiev, V. I.; Chavushyan, V. H.; Burenkov, A.; Kollatschny, W.; Kovačević, Anđelka | M31 |
| 1-Feb-2016 | First long-term optical spectral monitoring of a binary black hole candidate E1821+643. I. variability of spectral lines and continuum | Shapovalova, A. I.; Popović, Luka ; Chavushyan, V. H.; Burenkov, A. N.; Ilić, Dragana ; Kollatschny, W.; Kovačević, Anđelka ; Valdés, J. R.; Patiño-Álvarez, V.; León-Tavares, J.; Torrealba, J.; Zhdanova, V. E. | M21a |
| 1-Jul-2017 | The intrinsic Baldwin effect in broad Balmer lines of six long-term monitored AGNs | Rakić, N.; La Mura, G.; Ilić, Dragana ; Shapovalova, A. I.; Kollatschny, W.; Rafanelli, P.; Popović, Luka | M21 |
| 1-May-2017 | Long-term optical spectral monitoring of NGC 7469 | Shapovalova, Alla I.; Popović, Luka ; Chavushyan, V. H.; Afanasiev, V. L.; Ilić, Dragana ; Kovačević, Anđelka ; Burenkov, A. N.; Kollatschny, W.; Spiridonova, O.; Valdes, J. R.; Bochkarev, N. G.; Patino-Alvarez, V.; Carrasco, L.; Zhdanova, V. E. | M21 |
| 2016 | Optical Spectral Variability of Quasar E1821+643 | Shapovalova, A. I.; Popović, Luka ; Ilić, Dragana ; Chavushyan, V.; Burenkov, A. N.; Kollatschny, W.; Kovačević, Anđelka | M34 |
| 30-Jul-2010 | Spectral optical monitoring of 3C 390.3 in 1995-2007: I. Light curves and flux variation in the continuum and broad lines | Shapovalova, A. I.; Popović, Luka ; Burenkov, A. N.; Chavushyan, V. H.; Ilić, Dragana ; Kollatschny, W.; Kovačević, Anđelka ; Bochkarev, N. G.; Carrasco, L.; León-Tavares, J.; Mercado, A.; Valdes, J. R.; Vlasuyk, V. V.; De La Fuente, E. | |
| 1-Jan-2011 | Spectral optical monitoring of 3C 390.3 in 1995-2007: II. Variability of the spectral line parameters | Popović, Luka ; Shapovalova, A. I.; Ilić, Dragana ; Kovačević, Anđelka ; Kollatschny, W.; Burenkov, A. N.; Chavushyan, V. H.; Bochkarev, N. G.; León-Tavares, J. | M21 |
| 1-Jan-2013 | Spectral optical monitoring of a double-peaked emission line AGN Arp 102B: Variability of spectral lines and continuum | Shapovalova, A. I.; Popović, Luka ; Burenkov, A. N.; Chavushyan, V. H.; Ilić, Dragana ; Kollatschny, W.; Kovačević, Anđelka ; Bochkarev, N. G.; Valdés, J. R.; Torrealba, J.; Patiño-Álvarez, V.; León-Tavares, J.; Benitez, E.; Carrasco, L.; Dultzin, D.; Mercado, A.; Zhdanova, V. E. | |
| 1-Dec-2014 | Spectral optical monitoring of the double-peaked emission line AGN Arp 102B: II. Variability of the broad line properties | Popović, Luka ; Shapovalova, A. I.; Ilić, Dragana ; Burenkov, A. N.; Chavushyan, V. H.; Kollatschny, W.; Kovačević, Anđelka ; Valdés, J. R.; León-Tavares, J.; Bochkarev, N. G.; Patiño-Álvarez, V.; Torrealba, J. | |
| 1-Sep-2012 | Spectral optical monitoring of the narrow-line Seyfert 1 galaxy Ark 564 | Shapovalova, A. I.; Popović, Luka ; Burenkov, A. N.; Chavushyan, V. H.; Ilić, Dragana ; Kovačević, Anđelka ; Kollatschny, W.; Kovačević, J.; Bochkarev, N. G.; Valdes, J. R.; Torrealba, J.; León-Tavares, J.; Mercado, A.; Benítez, E.; Carrasco, L.; Dultzin, D.; De La Fuente, E. | |
| 2017 | Time Delays Evolution and Periodicities of the Continuum and Emission Lines of 4 Type 1 AGN | Perez-Hernandez, E.; Kovačević, Anđelka ; Popović, Luka ; Shapovalova, A.; Kollatschny, W.; Ilić, Dragana | M64 |
| 2016 | VizieR Online Data Catalog: Long-term optical monitoring of E1821+643 (Shapovalova+, 2016) | Shapovalova, A. I.; Popović, Luka ; Chavushyan, V. H.; Burenkov, A. N.; Ilić, Dragana ; Kollatschny, W.; Kovačević, Anđelka ; Valdes, J. R.; Patino-Alvarez, V.; Leon-Tavares, J.; Torrealba, J.; Zhdanova, V. E. | |
