(N|T@DY O PRIRODE ^ELOWEKA (B/s - (NmE^NIKOW(B, (NiLXQ iLXI^(B.s ((NmOSKWA (B: s (NiZD(B-(NWO aKAD(B. (NNAUK sssr(B, s, 1961)
Keywords: (N~ELOWEKs