Spectral optical monitoring of 3C 390.3 in 1995–2007 - II. Variability of the spectral line parametersL. Č. Popović, A. I. Shapovalova, D. Ilić, A. Kovačević, W. Kollatschny, A. N. Burenkov, V. H. Chavushyan, N. G. Bochkarev and J. León-TavaresA&A, 528 (2011) A130DOI: https://doi.org/10.1051/0004-6361/201016317
