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- 78309946 contributor B3338197.
- 78309946 contributor B3338198.
- 78309946 created "1974.".
- 78309946 date "1974".
- 78309946 date "1974.".
- 78309946 dateCopyrighted "1974.".
- 78309946 description "Bibliography: leaves 33-35.".
- 78309946 extent "iii, 37 leaves :".
- 78309946 isPartOf "Ontario. Pollution Control Planning Branch. Research paper - Pollution Control Planning Branch ; no. W2041.".
- 78309946 isPartOf "Research paper - Wastewater Treatment Section, Pollution Control Planning Branch ; no. W2041".
- 78309946 issued "1974".
- 78309946 issued "1974.".
- 78309946 language "eng".
- 78309946 publisher "Toronto : Ministry of the Environment,".
- 78309946 subject "628/.354".
- 78309946 subject "Sewage Purification Rotating disc process.".
- 78309946 subject "TD755 .A49".
- 78309946 title "Process evaluation of a rotating biological contactor for municipal wastewater treatment / by N. R. Ahlberg and T. S. Kwong.".
- 78309946 type "text".