(NnA POISKAH PRIRODNYH BOGATSTW (B/s - (NsAWELXEW(B, (NmIHAIL iWANOWI^s ((NpETROPAWLOWSK(B-(NkAM^ATSKIJ (B:s (NdALXNEWOST(B. (NKN(B. (NIZD(B-(NWO(B,s, 1967)
(NbIBLIOGR(B.: (NS(B. 170-171s
Keywords: (NpOLEZNYE ISKOPAEMYE (B- (NkAM^ATKAs