Author: Mezhregionalʹnai︠a︡ nauchno-prakticheskai︠a︡ konferent︠s︡ii︠a︡ "Okhrana okruzhai︠u︡shcheĭ sredy v munit︠s︡ipalʹnykh obrazovanii︠a︡kh na sovremennom ėtape" (2002 Bratsk, Russia)