Ergonomic-human factors in mining. Proceedings Bureau of mines Technology Transfer Seminars, Pittsburgh, Pa., December 3, 1981, St. Louis, Mo, December 10, 1981, and Denver, Colo., December 15, 1981
U.S. Bureau of mines.
- Washington Bureau of mines. 1981
MINERIA
ERGONOMIA
622:65.015.11
MINERIA
ERGONOMIA
622:65.015.11