Reference

N. N. Blagoveshchenskaya (1983): Utilisation of wild bees for pollination of entomophilous agricultural plants; [Ru; 2 figs., 11 refs. Date: 9.VI.1983]. – In: KOZIN, R. B. (ed.). Utilisation of Bees for Pollination of Agricul-tural Plants. Moscow (Kolos) – : 66 - 74.