| 000 | 00525nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 190328s9999||||xx |||||||||||||| ||und|| | ||
| 010 | _a80-11573 | ||
| 020 | _a0-07-606657-6 | ||
| 040 |
_aNITIL _cNITIL |
||
| 082 |
_221st _a622.334 _bD737P |
||
| 100 | _aDouglas, William J (Ed.) | ||
| 245 | 0 |
_aProduction systems analysis in underground coal mines _cWilliam J Douglas |
|
| 260 |
_aNew York _bMcGraw-Hill _c1980 |
||
| 300 | _axii, 369p. | ||
| 650 | _aCoal mines and mining-Production control; Systems analysis | ||
| 942 | _cBKS | ||
| 999 |
_c28685 _d28685 |
||