(NnAU^NYE OSNOWY OHRANY OKRUVA@]EJ SREDY (B/s - (NlUKA[EW(B, (NwALENTIN kONSTANTINOWI^s ((NmINSK (B:s (NwY[\J[AQ [KOLA(B,s, 1980)
Keywords: (NoHRANA OKRUVA@]EJ SREDYs; (NgIGIENA WOZDUHA(B, (NWODY I PO^WYs