| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c2257 _d2257 |
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| 003 | Biblioteca-INTEMIN | ||
| 005 | 20180517131701.0 | ||
| 008 | 180517b xxu||||| |||| 00| 0 eng d | ||
| 080 | _a622:65.015.11 | ||
| 110 |
_aU.S. Bureau of mines. _952 |
||
| 245 |
_aErgonomic-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 _cU.S. Bureau of mines. |
||
| 260 |
_aWashington _bBureau of mines. _c1981 |
||
| 650 |
_aMINERIA _965 |
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| 650 |
_aERGONOMIA _95663 |
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| 942 | _cBK | ||