| 000 | 00541nam a2200205Ia 4500 | ||
|---|---|---|---|
| 001 | 42257 | ||
| 008 | 200505s9999 xx 000 0 und d | ||
| 020 | _a970-637-050-1 | ||
| 040 |
_aEC-QuPUC _bspa |
||
| 082 | 0 | 4 | _a363.73/W125c |
| 100 | 1 | _aWagner, Travis. | |
| 245 | 0 | _aContaminación, causas y efectos. | |
| 260 |
_a[México, México] _bGernika _c1996 |
||
| 300 |
_a423 p. _b _c21 cm. |
||
| 490 | 0 | _aColección Ecología ; 5 | |
| 504 | _aBibliografía: p. 415-423. | ||
| 650 | 4 | _aCONTAMINACION. | |
| 650 | 4 | _aECOLOGIA. | |
| 999 |
_c77000 _d77000 |
||
| 942 | 0 | 0 | _00 |