(NoSNOWNYE PROBLEMY OHRANY PO^W (B/s - (NgLAZUNOW(B, (Ng(B.(Np(B.s; (NmOSKOWSKIJ GOSDARSTWENNYJ UNIWERSITET IM(B. (Nm(B.(Nw(B. (NlOMONOSOWAs; (NsOWET MOLODYH U^ENYH mgu(B.s (NfAKULXTET PO^WOWEDENIQs ((Nm(B. :s (Nmgu(B,s, 1975)
Keywords: (NsELXSKOHOZQJSTWENNAQ MELIORACIQs