| 000 | 00680 a2200217 04500 | ||
|---|---|---|---|
| 001 | 4267 | ||
| 008 | 050618s1996 eng d | ||
| 020 | _a1566763770 | ||
| 041 | 0 | _aeng | |
| 082 | 0 |
_a574.526323 _bS743s |
|
| 100 | 4 | 0 |
_aSpellman, Frank R _91139 |
| 245 | 0 |
_aStream ecology and self-purification: _bAn introduction for wastewater and water specialists/ _cFrank R Spellman |
|
| 260 | 4 |
_aPennsylvania: _bTechnomic Publishing Company _c1996. |
|
| 300 | 4 | _a134 p.; il. | |
| 555 | _aCORPOICA | ||
| 650 |
_aEcología _94949 |
||
| 650 |
_aContaminación de rios _940684 |
||
| 650 |
_aPolución _912035 |
||
| 942 |
_2ddc _cBK |
||
| 999 |
_c4500 _d4500 |
||