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Last edited by Open Library Bot
December 4, 2010 | History
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Subjects
Activated sludge process, Anaerobic bacteria, Purification, SewageEdition | Availability |
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1
WPCF wastewater treatment skill training package: anaerobic digestion workbook
1981, Water Pollution Control Federation
in English
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2
WPCF wastewater treatment skill training package: activated sludge process control
1980, Water Pollution Control Federation
in English
|
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Feedback?December 4, 2010 | Edited by Open Library Bot | Added subjects from MARC records. |
January 18, 2010 | Edited by WorkBot | add subjects and covers |
December 11, 2009 | Created by WorkBot | add works page |