(NoBOGA]ENIE UGLEJ W pOLXSKOJ nARODNOJ rESPUBLIKE (B/s - (NgORLOW(B, (NiWAN pANTELEEWI^s ((NmOSKWA (B:s (NuGLETEHIZDAT(B,s, 1959)
Keywords: (NuGOLX (B- (NoBOGA]ENIEs; (NuGLEOBOGATITELXNYE FABRIKI (B- (NpOLXSKAQ nARODNAQ rESPUBLIKAs