| 000 | 00337pam a2200121a 44500 | ||
|---|---|---|---|
| 040 | _aP K Kelkar Library, IIT Kanpur | ||
| 082 |
_aTR _bRI-9426 |
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| 100 | _aPotts, J. D. | ||
| 245 | 1 | _aDust Considerations when using beet entry air to ventilate work are as | |
| 260 |
_a _b _c |
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| 700 | _aJankowski, R. A. | ||
| 997 | _aTR6805 C | ||
| 999 |
_c405959 _d405959 |
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