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| 082 |
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| 090 | _aCOLECCION GENERAL | ||
| 041 | 0 | _aeng | |
| 110 | 2 | _aSymposium Sponsored by Environmental Protection Agency Office of Water Program Operations-Heald. | |
| 245 | 1 |
_aThe aquatic environment: microbial transformations and water management implications. / _cSymposium Sponsored by Environmental Protection Agency Office of Water Program Operations-Heald. |
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| 250 | _a1st. ed | ||
| 260 |
_bEnvironmental Protection Agency _c19740000 _aWashington, us |
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| 300 |
_a244 _bilus |
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| 650 | 0 | 7 | _aAMBIENTE ACUATICO. |
| 942 |
_2ddc _cBK |
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