| 000 | 00486nam a22001577a 4500 | ||
|---|---|---|---|
| 008 | 230606b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a622.333:622.763:33 _bK6 |
||
| 100 |
_aGhosh, A B _910974 |
||
| 245 | _aEconomics of coal washing in India | ||
| 260 |
_aCalcutta: _bNew Age Publishing Private Ltd., _c1966 |
||
| 300 | _a144p. | ||
| 650 | _aCoal mines and mining | ||
| 653 | _aMining engineering | ||
| 942 |
_2udc _cBK |
||
| 999 |
_c39796 _d39796 |
||