Reference

N. N. Blagoveshchenskaya (1983): Foraging behaviour of [wild] bees in natural and agricul-tural coenoses; [Ru. Date: 19.VIII.1983]. – In: BASKIN, L. M. (ed.). Applied Ethology. The 3rd All-Union Confer-ence on Animal Behaviour. Abstracts. Vol. 3. Moscow (Nauka) – : 13 - 14.