| 000 | 00547nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 230801b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aT 622.23:628.512 _bN2 |
||
| 245 |
_aControl of pollution due to toxic gases produced during blasting operations with explosives in underground coal mines _c/ Central Mining Research Station |
||
| 260 |
_aIndia: _bCentral Mining Research Station, _c1991 |
||
| 300 | _a47p. | ||
| 650 | _aScience | ||
| 653 | _aCoal mines | ||
| 942 |
_2udc _cREP |
||
| 999 |
_c56728 _d56728 |
||