| 000 | 00357nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 190711s9999 xx 000 0 und d | ||
| 020 | _a0873350995 | ||
| 082 | _a622.4206 W246 | ||
| 100 | _aWANG,Y.J | ||
| 245 | 0 | _aPROCEEDINGS OF THE 5TH U.S.MINE VENTILATION SYMPOSIUM | |
| 260 |
_aColorado _bSOCIETY FOR MINING _c1991 |
||
| 300 | _a29X22 | ||
| 942 |
_cBK _2DDC |
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| 999 |
_c24219 _d24219 |
||