Nauchno-prakticheskai︠a︡ konferent︠s︡ii︠a︡ "Biologicheskoe raznoobrazie Kaluzhskoĭ oblasti, problemy i perspektivy razvitii︠a︡ osobo okhrani︠a︡emykh prirodnykh territoriĭ" (1st 1996 Kaluga, Russia)