Long-term optical spectral monitoring of a changing-look active galactic nucleus NGC 3516 – I. Continuum and broad-line flux variabilityA. I. Shapovalova, V. E. Zhdanova, Andjelka B. Kovačević et al.|Monthly Notices of the Royal Astronomical Society|2019Cited by 60
Long-term optical spectral monitoring of NGC 7469A. I. Shapovalova, V. E. Zhdanova, Luka Č. Popović et al.|Monthly Notices of the Royal Astronomical Society|2017Cited by 18