(NgROHO^ENIE POLEZNYH ISKOPAEMYH (B/ s - (NlIANDOW(B, (NkONSTANTIN kONSTANTINOWI^s ((NlENINGRAD (B; s (NmOSKWA (B: s (NIZD(B-(NWO I TIP(B. (NmETALLURGIZDATA(B, s, 1948)
(NbIBLIOGR(B.: (NS(B. 158s
Keywords: (NgROHO^ENIE POLEZNYH ISKOPAEMYHs; (NgROHOTYs; (NsITAs