| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c3947 _d3947 |
||
| 003 | Biblioteca INTEMIN | ||
| 005 | 20180603120546.0 | ||
| 007 | ta | ||
| 008 | 180527b xxu||||| |||| 00| 0 eng d | ||
| 041 | _ainglés | ||
| 080 | _a622 | ||
| 100 |
_aGabler, Robert C. _93547 |
||
| 245 |
_aProcessing chalcopyrite concentrates by a nitrogen roast-hydrometallurgical technique _cGabler, Robert C.; Campbell, W. J.; Brown, R. E.; Dunning, B. W. |
||
| 260 |
_aWashington _bBureau of mines _c1975 |
||
| 300 | _a18 p. | ||
| 440 |
_aRI 8067 _97181 |
||
| 650 |
_aMINERIA _93338 |
||
| 650 |
_aMINING _92163 |
||
| 653 | _aCALCOPIRITA | ||
| 653 | _aCHALCOPYRITE | ||
| 700 |
_aCampbell, W. J. _98202 |
||
| 700 |
_aBrown, R. E. _98203 |
||
| 700 |
_aDunning, B. W. _91452 |
||
| 942 |
_2udc _cCR |
||