Vozrast i rasprostranenie maksimalʹnogo oledenenii͡a Vostochnoĭ Evropy = Age and spreading of the maximum glaciation in East Europe : [Sb. stateĭ - Gerasimov, I. P. (Innokentiĭ Petrovich), 1905-1985; Velichko, Andreĭ Alekseevich; Institut geografii (Akademii͡a nauk SSSR); International Geological Correlation Programme (Chetvertichnye oledenenii͡a Severnogo polusharii͡a, 1980)