Nikonorov, S.I. & Lukianov, A.S. (1980)
(Reactions of dogfish shark (Squalus acanthias L.) forebrain neurons evoked by visual stimulation). Fiziologicheski? zhurnal SSSR imeni I. M. Sechenova, 66(1): 40–47

Nikonorov, S.I. & Luk'ianov, A.S. (1980)
(Electrophysiologic studies of the pathways of visual afferentation in the forebrain of the dogfish Squalus acanthias). Zhurnal Evoliutsionno Biokhimii i Fiziologii, 16(2), 167–175