| 000 | 00321nam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 230916b |||||||| |||| 00| 0 eng d | ||
| 022 | _a1979 | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 245 | _aInformation bulletin: coal processing & combustion | ||
| 260 | _bNational Coal Board, | ||
| 942 | _cCR | ||
| 999 |
_c61618 _d61618 |
||