| 000 | 00428nam a2200145Ia 4500 | ||
|---|---|---|---|
| 999 |
_c16175 _d16175 |
||
| 041 | _aENG | ||
| 082 |
_a338.272 _bNAT |
||
| 100 | _aNational Coal Development Corporation Limited | ||
| 245 | 0 |
_aAnnual report and accounts 1969-70 / _cNational Coal Development Corporation Limited |
|
| 260 |
_aRanchi, _bNCDCL _c1970 |
||
| 300 |
_a104p _bill; _c23cm |
||
| 650 | _aProduction Economics | ||
| 650 | _aCoal industry | ||
| 942 |
_cBK _2ddc |
||