| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c3144 _d3144 |
||
| 003 | Biblioteca INTEMIN | ||
| 005 | 20180526161104.0 | ||
| 007 | Libro | ||
| 008 | 180526b xxu||||| |||| 00| 0 eng d | ||
| 041 | _aEN | ||
| 080 | _a55 | ||
| 100 |
_aGeer, Max R. _96983 |
||
| 245 | _aPredicted results of cleaning Appalachian coals at low density for sulfur reduction | ||
| 260 |
_aWashington _bBureau of Mines _c1968 |
||
| 300 | _a20 p. | ||
| 440 |
_aRI _v7098 _96984 |
||
| 650 |
_asulfur _91962 |
||
| 650 |
_acoal _96985 |
||
| 942 | _cBK | ||