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- 72609920 contributor B2198783.
- 72609920 contributor B2198784.
- 72609920 created "1969 [i.e. 1970]".
- 72609920 date "1969 [i.e. 1970]".
- 72609920 date "1970".
- 72609920 dateCopyrighted "1969 [i.e. 1970]".
- 72609920 description "Includes bibliographical references.".
- 72609920 extent "xi, 33 p.".
- 72609920 isPartOf "Water pollution control research series".
- 72609920 issued "1969 [i.e. 1970]".
- 72609920 issued "1970".
- 72609920 language "eng".
- 72609920 publisher "[Washington, U.S. Federal Water Quality Administration; for sale by the Supt. of Docs., U.S. Govt. Print. Off.]".
- 72609920 subject "628/.35".
- 72609920 subject "Grasses.".
- 72609920 subject "Hydroponics.".
- 72609920 subject "Sewage Purification Biological treatment.".
- 72609920 subject "Sewage Purification Nutrient removal.".
- 72609920 subject "TD755 .L38".
- 72609920 title "Nutrient removal from enriched waste effluent by the hydroponic culture of cool season grasses, by James P. Law, Jr., for the Federal Water Quality Administration, Dept. of the Interior.".
- 72609920 type "text".