(NpROIZWODSTWO I PRIMENENIE KERAMZITA (B/ s - (NpERSIQNOW(B, (NaNATOLIJ nIKOLAEWI^s; (NvIBURTOWI^(B, (NnIKOLAJ nIKOLAEWI^s ((NkUJBY[EW (B:s (NkN(B. (NIZD(B-(NWO(B,s, 1961)
(NbIBLIOGR(B.: (NS(B. 47s
Keywords: (NkERAMZITs