| 000 | 00424nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 230619b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a622.33:65(082.2) _bL9 |
||
| 245 | _aCoal conference & expo v 23-25 October, 1979 | ||
| 260 |
_aNew York: _bMcGraw-Hill, Inc., _c1979 |
||
| 300 | _a99p. | ||
| 650 | _aCoal | ||
| 653 | _aManagement | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c44663 _d44663 |
||