(NiZMENENIE MEHANI^ESKOJ PRO^NOSTI UGOLXNOGO PLASTA W MASSIWE (B/s - (NnORELX(B, (NbRONISLAW kONSTANTINOWI^s; (NkUNTY[(B, (Nm(B. (Nf(B.s; (NiNSTITUT GORNOGO DELA IM(B. (Na(B.(Na(B. (NsKO^INSKOGO an sssrs ((NmOSKWA (B:s (NnAUKA(B,s, 1983)
(Nw NADZAG(B.: (NiN(B-(NT GORN(B. (NDELA IM(B. (Na(B.(Na(B. (NsKO^INSKOGOs
Keywords: (NgORNOE DAWLENIEs; (NuGOLX (B- (NfIZIKO(B-(NMEHANI^ESKIE SWOJSTWAs; (NuGOLXNYE PLASTY (B- (NuSTOJ^IWOSTXs