(N~ELOWEK I PRIRODA (B/s - (NmITR@[KIN(B, (NkONSTANTIN pETROWI^(B.s; (N{APO[NIKOW(B, (NlEW kONSTANTINOWI^s ((NmOSKWA (B:s (NzNANIE(B,s, 1974)
Keywords: (NoKRUVA@]EJ SREDY OHRANAs; (NoKRUVA@]AQ SREDA(B, (NKONTROLXs; (NpRIRODNYH RESURSOW SOHRANENIEs