SAFETY IN MINES: A SURVEY OF ACCIDENTS THEIR CAUSES & PREVENTION [1901 TO 2000]

SAFETY IN MINES: A SURVEY OF ACCIDENTS THEIR CAUSES & PREVENTION [1901 TO 2000] KEJRIWAL, PROF B.K. creator text DHANBAD LOVELY PRAKASHAN 2022 1ST ED. 1994 monographic eng 394;P MINING 622.8 KEJ-S 81-7956-001-5 251008 20251010115227.0