(NpOSOBIE K PRAKTI^ESKIM ZANQTIQM PO OB]EJ GEOLOGIIs - (NlEBEDEWA(B,(Nn(B. (Nb(B.s (NnATALXQ bORISOWNAs ((Nm(B.s (NiZD(B-(NWO mgus, 1972)
Keywords: (NgEOLOGIQs -- (NpRAKTI^ESKIE RABOTY U^A]IHSQs