000 | 00297pam a2200109a 44500 | ||
---|---|---|---|
082 |
_aTR _bTPR-32 |
||
100 | _aD. P. Schlick | ||
245 | 1 | _aEvaluation of the respirable dust sampling program in united states underground coal mines | |
260 |
_a _b _c |
||
700 | _aW. E. Byers | ||
997 | _aTR3850 C | ||
999 |
_c404961 _d404961 |