Kvantova︠i︡a khimi︠i︡a : VI Vseso︠i︡uznoe soveshchanie, Kishinev, 23-26 i︠i︡un︠i︡a 1975 g. : Tezisy dokladov - Bersuker, I. B. (Isaak Borisovich) (Shtiin︠t︡sa, 1975)