Reference

V. I. Kalinin (1984): Results of utilisation of the [alfalfa] leaf-cutter bee for lucerne pollination in the Transvolga part of the Saratov province; p. 207. [Ru. Date: 26.VII.1984]. – In: VASIL'YEV, V. P. (ed.). The 9th Congress of the All-Union Entomological Society (Kiev, October 1984). Abstracts. Pt 1. Kiev (Naukova Dumka) – .