Reference

N. I. Efremova (1997): A review of the bumble bee fauna in the Kuznetsk steppe; pp. 73. [Ru. Date: 12.V.1997]. – In: SKLAN, N. V. (ed.). Problems of Reservation of Biological Diversity in Southern Siberia. The 1st In-ter-Regional Scientific-Practical Conference (Kemerovo, 19-22 May 1997). [Abstracts]. Ke-merovo (Kuzbassvuzizdat) – .