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- 72601393 contributor B2195117.
- 72601393 contributor B2195118.
- 72601393 contributor B2195119.
- 72601393 created "1971 [i.e. 1972]".
- 72601393 date "1971 [i.e. 1972]".
- 72601393 date "1972".
- 72601393 dateCopyrighted "1971 [i.e. 1972]".
- 72601393 description "Includes bibliographical references.".
- 72601393 extent "viii, 119 p.".
- 72601393 isPartOf "Water pollution control research series".
- 72601393 issued "1971 [i.e. 1972]".
- 72601393 issued "1972".
- 72601393 language "eng".
- 72601393 publisher "Washington, U.S. Environmental Protection Agency; for sale by the Supt. of Docs., U.S. Govt. Print. Off.]".
- 72601393 subject "628/.3".
- 72601393 subject "Sewage Purification Activated sludge process.".
- 72601393 subject "Sewage Purification Reverse osmosis process.".
- 72601393 subject "TD754 .R48".
- 72601393 title "Amenability of reverse osmosis concentrate to activated sludge treatment. [Authors: M. Gupta and D. G. Mason.".
- 72601393 type "text".