(NrESURSOSBEREVENIE I OHRANA OKRUVA@]EJ SREDYs - (NpOTRAWNYJ(B,(Ni(B. (Nm(B.s (NiWAN mIHAJLOWI^s; (NzAHOVAJ(B,(Nw(B. (Nb(B.s (NwALERIJ bORISOWI^s ((Nk(B.s (NuROVAJs, 1990)
Keywords: (NrESURSOSBEREGA@]AQ TEHNOLOGIQs; (NoHRANA OKRUVA@]EJ SREDYs