| 000 | 00581nam a22001814504500 | ||
|---|---|---|---|
| 999 |
_c12904 _d12904 |
||
| 008 | 000314/19891989////////r///////////spa// | ||
| 040 |
_aSV-SoUDB _bspa |
||
| 041 | _aspa | ||
| 082 | 0 |
_a621.3 _bV714 _c1989 |
|
| 100 | 1 | 0 | _aVillalta Barberena, José Fredy |
| 245 | 1 | 0 |
_aEl Medio Ambiente del Ingeniero Electricista Recien Graduado : _bIdear. / _cJosé Fredy Villalta Barberena |
| 250 | _a1a ed. | ||
| 260 |
_aSAN SALVADOR, EL SALVADOR : _bCONCAPAN IX, _c1989 |
||
| 300 | _a15 p. | ||
| 650 | 0 | 4 | _aELECTRICA |
| 942 |
_2ddc _b14/03/2000 _cLIB |
||