Reference

A. V. Andreyev, V. S. Stratan, E. N. Ursu (1990): Bees; [Ru; 1 tab. Date: 11.VII.1990]. – In: USPENSKIY, G. A. (ed.). Animals of Biocoenotic Oasises and Their Practical Importance. Kishinev (Shtiintsa) – : 53 - 66.