(NzANIMATELXNAQ MINERALOGIQ (B/s - (NfERSMAN(B, (Na(B.(Ne(B.s; (NnARKOMPROS rsfsrs ((NmOSKWA (B;s (NlENINGRAD (B:s (NdETGIZ(B,s, 1945)
Keywords: (NiZDANIQ DLQ OPREDELENNYH KATEGORIJ ^ITATELEJs; (NmINERALOGIQs