(NpOLEZNYE ISKOPAEMYE kAZAHSTANA (B/s - (NbOK(B, (NiWAN iWANOWI^(B.s; (NpAR[IN(B, (Na(B.s ((NaLMA(B-(NaTA (B: s (NkAZU^PEDGIZ(B, s, 1961)
Keywords: (NpOLEZNYE ISKOPAEMYE (B- (NkAZAH(B. (Nssrs