(NpROBLEMY RAZRABOTKI MESTOROVDENIJ POLEZNYH ISKOPAEMYH sEWERA (B:s (NmATERIALY KONFERENCII (B/s - (NaRSENTXEW(B, (Na(B.(Ni(B.s ((NlENINGRAD (B:s (Nb(B. (NI(B.,s, 1972)
(NlENINGR(B. (NGORNYJ IN(B-(NT IM(B. (Ng(B.(Nw(B. (NpLEHANOWAs
(NbIBLIOGR(B. (NW KONCE ST(B.s
Keywords: (NmESTOROVDENIQ POLEZNYH ISKOPAEMYH (B- (NsEWER sssr (B- (NtEZISY DOKLADOWs