REVERBERATION MEASUREMENT OF THE INNER RADIUS OF THE DUST TORUS IN NGC 4151 DURING 2008-2013 Journal title: Odessa Astronomical Publications Authors: V. L. Oknyansky, N. V. Metlova, O. G. Taranova, V. I. Shenavrin, B. P. Artamonov, C. M. Gaskell, Di-... Subject(s):