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| 008 | 200129s9999 xx 000 0 und d | ||
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| 100 | 1 | _aOrtega, Luis Fernando | |
| 245 | 0 |
_aMaestria en Gestion ambiental : _b |
|
| 250 | _aUtlvt | ||
| 264 |
_aEcuador , _c2008 |
||
| 300 | _a220p. | ||
| 336 | _atxt | ||
| 337 | _an | ||
| 338 | _anc | ||
| 650 | 0 | 4 | _aGESTION AMBIENTAL |
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_c257184 _d257184 |
||
| 942 | 0 | 0 | _00 |