| 000 | 00642nam a2200181u 4500 | ||
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| 001 | 00767735 | ||
| 003 | PWmBRO | ||
| 005 | 20240602101238.0 | ||
| 008 | 070488 | ||
| 090 | _b628.165/076/W938 | ||
| 245 | 0 | 0 |
_aWPCF extended aeration skill training program - student workbook / _cWater Pollution Control Federation. |
| 260 |
_aWashington, D.C. : _bThe Federation, _c[198-?] |
||
| 300 |
_a1 v. (various pagings) : _bill. |
||
| 650 | 0 | 0 |
_aSewage _xPurification _xAeration _xProblems, exercises, etc. |
| 710 | 2 | 0 | _aWater Pollution Control Federation. |
| 740 | 0 | 1 | _aExtended aeration skill training program. |
| 942 | _2ddc | ||
| 999 |
_c39202 _d39202 |
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