(NpROGNOZNYJ RAS^ET WENTILQCIONNYH SISTEM RUDNIKOW (B/s - (NsLEPYH(B, (NwLADIMIR fILIPPOWI^s; (NwQZNIKOWCEW(B, (NeWGENIJ wIKTOROWI^s; (N{ELEPIN(B, (Ns(B.(Nf(B.s; (NiN(B-(NT GORNOGO DELA an kAZAHSKOJ ssrs ((NaLMA(B-(NaTA (B:s (NnAUKA(B. (NkAZssr(B,s, 1973)
Keywords: (NgORNOE DELOs