Reference

N. G. Kholodny (1949): Pollination in sage; [Ru; 3 figs., 2 refs. Date: 20.V.1949]. – In: KHOLODNY, N. G. In the Nature and Laboratory. No. 1. 174 pp.; Moscow (Moscow Society of Naturalists. Series: «In Nature», no. 15) – : 43 - 49.