| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c3681 _d3681 |
||
| 003 | Biblioteca INTEMIN | ||
| 005 | 20180530162930.0 | ||
| 007 | Libro | ||
| 008 | 180530b xxu||||| |||| 00| 0 eng d | ||
| 041 | _aEN | ||
| 080 | _a622 | ||
| 100 |
_aDeurbrouck, Albert W. _92145 |
||
| 245 |
_aWashability examinations of Colorado coals _cAlbert W. Deurbrouck |
||
| 260 |
_aWashington _bBureau of Mines _c1970 |
||
| 300 |
_aii, 44 p. _bil _c 26 cm |
||
| 440 |
_aRI _v7467 _97936 |
||
| 650 |
_acoal _96985 |
||
| 651 |
_aColorado _97536 |
||
| 653 | _aCoal washing | ||
| 942 | _cBK | ||