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- 33027734 contributor B822135.
- 33027734 created "1932.".
- 33027734 date "1932".
- 33027734 date "1932.".
- 33027734 dateCopyrighted "1932.".
- 33027734 description "Bibliography: p. 21-22.".
- 33027734 extent "23 p.".
- 33027734 isPartOf "Bulletin no. 41 of the Pennsylvania State College, Engineering Experiment Station".
- 33027734 isPartOf "Pennsylvania State College. Engineering Experiment Station. Bulletin ; no. 41.".
- 33027734 isPartOf "The Pennsylvania State College Bulletin. vol. XXVI, no. 43. October 22, 1932".
- 33027734 issued "1932".
- 33027734 issued "1932.".
- 33027734 language "eng".
- 33027734 publisher "State College, Pa.,".
- 33027734 subject "Bacteria.".
- 33027734 subject "Filters and filtration.".
- 33027734 subject "Pennsylvania State College, State College, Pa.".
- 33027734 subject "Protozoa.".
- 33027734 subject "QR133 .S".
- 33027734 subject "Sewage Purification.".
- 33027734 title "Research at the sewage treatment plant, the Pennsylvania State College; reduction of bacteria in the open and closed filters, by Andrew A. Ormsby.".
- 33027734 type "text".