(NwREMENNYE METODI^ESKIE REKOMENDACII PO OPREDELENI@ \KONOMI^ESKOGO \FFEKTA RAZRABOTOK RUDNOJ GEOFIZIKI (B/s - (NaSTA[KIN(B, (N`(B.(Na(B.s; (NmI[IN(B, (Nl(B.(Nt(B.s ((Nl(B. :s (Nnpo (B"(NrUDGEOFIZIKA(B",s, 1988)
Keywords: (NgEOFIZIKAs