(NwODOTOKI I WODOEMY(B: (NWZAIMOSWQZX \KOLOGII I \KONOMIKI (B/s - (NwOROBXEW(B, (NbORIS wASILXEWI^s; (NkOSOLAPOW(B, (NlEONID aLEKSANDROWI^s ((NlENINGRAD (B:s (NgIDROMETEOIZDAT(B,s, 1987)
Keywords: (NiNVENERNAQ GEOLOGIQs