Reference

N. G. Chorkina, A. A. Chibotaru, V. R. Chelak, M. F. Marinesku (1996): Flowering, pollination and seed productivity in Stachys; [Ru. Date: 15.V.1996]. – In: VERESHCHAGINA, V. A. (ed.). Prob-lems of Reproductive Biology of Plants. The Symposium (Perm, 4-6 June 1996). Abstracts. Perm (Perm State University) – : 224 - 226.