(NhOZQJSTWOWATX(B, (NOBEREGAQ PRIRODU (B/s - (NwI[NQKOWA(B, (NgALINA iWANOWNAs ((NmOSKWA (B:s (NkOLOS(B,s, 1983)
Keywords: (NoHRANA OKRUVA@]EJ SREDYs