(NwULKANY (B:s (NpER(B. (NS ANGL(B. /s - (NtIRRELX(B, (Ng(B.(Nw(B.s ((NgROZNYJ (B;s (NlENINGRAD (B;s (NmOSKWA (B;s (NnOWOSIBIRSK (B:s (NgORGEONEFTEIZDAT (B,s, 1934)
Keywords: (NwULKANOLOGIQs