(NoHRANA PRIRODY (B:s (NsBORNIK NORMATIWNYH I RUKOWODQ]IH DOKUMENTOW PO OHRANE PRIRODY (B/s - (N{ADRIN(B, (Nw(B.(Ng(B.s; (NzYRQNINOW(B, (Na(B.s ((NqROSLAWLX (B:s (Nb(B. (NI(B.,s, 1975)
Keywords: (NoHRANA OKRUVA@]EJ SREDYs