(NgIDRO\LETKTROPRIWOD RUDNI^NYH POD_EMNYH MA[IN (B/s - (NmAKSIMOW(B, (Na(B. (Ne(B. s ((NmOSKWA(B;s (NlENINGRAD(B.s (NuGLETEHIZDAT(B,s, 1951)
(NbIBLIOGR(B. (NS(B. 168s
Keywords: (NgORNOE DELOs