| 000 | 00512nam a22001937a 4500 | ||
|---|---|---|---|
| 001 | 9925 | ||
| 008 | 190110s1907 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
| 080 | _aA/622.48/W19 | ||
| 100 |
_912771 _aWalker, Sydney F. |
||
| 245 | _aElectricity in mining | ||
| 260 |
_aNew York _bD. Van Nostrand Company _c1907 |
||
| 300 |
_a385 p. _bilus., láms. |
||
| 650 |
_96780 _aELECTRICIDAD |
||
| 650 |
_919806 _aINSTALACIONES ELECTRICAS |
||
| 650 |
_9173 _aMINERIA |
||
| 910 |
_aRNUÑEZ _b38868 |
||
| 942 |
_2z _cLIBR |
||
| 999 |
_c9925 _d9925 |
||