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- 2007467459 contributor B10991042.
- 2007467459 created "1973.".
- 2007467459 date "1973".
- 2007467459 date "1973.".
- 2007467459 dateCopyrighted "1973.".
- 2007467459 extent "iii, 46 p. :".
- 2007467459 isPartOf "EPA technology transfer seminar publication".
- 2007467459 issued "1973".
- 2007467459 issued "1973.".
- 2007467459 language "eng".
- 2007467459 publisher "[Washington, D.C] : United States Environmental Protection Agency,".
- 2007467459 subject "Sewage Purification Activated sludge process.".
- 2007467459 subject "TD756 .U55 1973".
- 2007467459 title "Oxygen activated-sludge wastewater treatment systems : design criteria and operating experience.".
- 2007467459 type "text".