Russia) Nauchno- prakticheskai︠a︡ konferent︠s︡ii︠a︡ "Problemy osobo okhrani︠a︡emykh prirodnykh territoriĭ evropeĭskogo Severa" (2004 Syktyvkar

Books by Russia) Nauchno- prakticheskai︠a︡ konferent︠s︡ii︠a︡ "Problemy osobo okhrani︠a︡emykh prirodnykh territoriĭ evropeĭskogo Severa" (2004 Syktyvkar on BookTides.