(NpRIRODA dAGESTANA (B/s - (NtURNOW(B, (NdMITRIJs ((NmAHA^KALA (B:s (NdAG(B. (NKN(B. (NIZD(B-(NWO(B,s, 1971)
Keywords: (NpRIRODA dAGESTANA (B- (No^ERKIs