| 000 | 00471nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 190328s9999||||xx |||||||||||||| ||und|| | ||
| 040 |
_aNITIL _cNITIL |
||
| 082 |
_221st _a338.27 _bH496E |
||
| 100 | _aHenderson, James E | ||
| 245 | 4 |
_aThe efficiency of the coal industry _ban application of linear programming _cJames E Henderson |
|
| 260 |
_aCambridge _bHarvard University _c1958 |
||
| 300 | _axii, 140p. | ||
| 650 | _aCoal trade; Coal mines and mining:coal | ||
| 942 | _cBKS | ||
| 999 |
_c15772 _d15772 |
||