(NpAMQTNIKI PRIRODY dONET^INY (B:s (NpUTEWODITELX (B/s - (NsINELX]IKOW(B, (NrOSTISLAW gEORGIEWI^s; (NpOPOW(B, (NsEMEN pETROWI^s; (NiWA[IN(B, (NdMITRIJ sERGEEWI^s; (NqNKO(B, (NnIKOLAJ tIMOFEEWI^s ((NdONECK (B:s (NdONBAS(B,s, 1979)
(NnA TIT(B. (NL(B. (NAWT(B. (NNE UKAZANs
Keywords: (NoHRANA OKRUVA@]EJ SREDY (B- (NdONECKs; (NzAPOWEDNIKI (B- (NdONECKAQ OBL(B. - (NpUTEWODITELXs