(NfIZIKO(B-(NTEHNI^ESKIE GORNYE PROBLEMY (B/s - (NmELXNIKOW(B, (Nn(B.(Nw(B.s; (NiNSTITUT FIZIKI zEMLI IM(B. (No(B.(N`(B. (N{MIDTA an sssrs ((NmOSKWA (B:s (NnAUKA(B,s, 1971)
Keywords: (NgORNOE DELOs