@ARTICLE{
author={Shapovalova Alla I,Popovic Luka C,Afanasiev VL,Ilic Dragana J,Kovacevic Andjelka B,Burenkov Alexander N,Chavushyan Vahram H,Marceta-Mandic Sladjana,Spiridonova O,Valdes JR,Bochkarev Nikolai G,Patino-Alvarez V,Carrasco L,Zhdanova VE},
year={2019},
title={Long-term optical spectral monitoring of a changing-look active galactic nucleus NGC 3516-I. Continuum and broad-line flux variability},
journal={MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY},
volume={485},
number={4},
pages={4790-4803},
document_type={Article},
} 

@ARTICLE{
author={Shapovalova Alla I,Popovic Luka C,Chavushyan Vahram H,Afanasiev VL,Ilic Dragana J,Kovacevic Andjelka B,Burenkov Alexander N,Kollatschny Wolfram,Spiridonova O,Valdes JR,Bochkarev Nikolai G,Patino-Alvarez V,Carrasco L,Zhdanova VE},
year={2017},
title={Long-term optical spectral monitoring of NGC 7469},
journal={MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY},
volume={466},
number={4},
pages={4759-4775},
document_type={Article},
}