(NzOOLOGIQ S OSNOWAMI EKOLOGII (B:s (NU^EBNOE POSOBIE DLQ STUDENTOW PEDAGOGI^ESKIH INSTITUTOW (B/s - (NbLINNIKOW(B, (Nw(B. (Ni(B.,s; (NkOROLEWA(B, (Nn(B. (Nw(B.,s; (NvILI^KIN(B, (Np(B. (Na(B.,s ((NmOSKWA (B:s (NpROSWE]ENIE (B,s, 1990)
(NoRIG)QÆNAL ZAPISU ZA POSILANNQMs)E
Keywords: (NzOOLOG)QÆQs)E -- (NeKOLOG)QÆQs)E