| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c3711 _d3711 |
||
| 003 | Biblioteca-INTEMIN | ||
| 005 | 20180530191133.0 | ||
| 008 | 180530b xxu||||| |||| 00| 0 eng d | ||
| 080 | _a622 | ||
| 100 |
_aMcClure, B.T. _97978 |
||
| 245 |
_aEffectiveness of catalytic converters on diesel engines used in underground mining _cMcClure, B.T. |
||
| 260 |
_aWashington _bBureau of mines _c1988 |
||
| 650 |
_aMINERIA _965 |
||
| 650 |
_aMINERIA SUBTERRANEA _988 |
||
| 650 |
_aMOTORES DIESEL _96485 |
||
| 650 |
_aMAQUINAS Y HERRAMIENTAS _95715 |
||
| 942 | _cBK | ||