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- 72190721 contributor B2129157.
- 72190721 contributor B2129158.
- 72190721 created "1969.".
- 72190721 date "1969".
- 72190721 date "1969.".
- 72190721 dateCopyrighted "1969.".
- 72190721 description "Bibliography: p. 46-47.".
- 72190721 extent "iii, 49 p.".
- 72190721 issued "1969".
- 72190721 issued "1969.".
- 72190721 language "eng".
- 72190721 publisher "Toronto, Ontario Water Resources Commission,".
- 72190721 subject "628/.08 s 628/.354".
- 72190721 subject "Lime.".
- 72190721 subject "Sewage Purification Activated sludge process.".
- 72190721 subject "TD227.O5 A13 no. 36 TD756".
- 72190721 subject "Water Phosphorus content.".
- 72190721 title "Phosphorus removal by lime addition to a conventional activated sludge plant, by S. A. Black [and] W. Lewandowski.".
- 72190721 type "text".