Author: Nauchno-prakticheskai︠a︡ konferent︠s︡ii︠a︡, posvi︠a︡shchennai︠a︡ 100-letii︠u︡ so dni︠a︡ rozhdenii︠a︡ doktora biologicheskikh nauk, professora Ivana Stepanovicha Averkieva (2001 Ĭoshkar-Ola, Russia)