Books by L. T. Rozelle:
Books in the extended shelves:
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Rozelle, L. T., 1933-: New and ultrathin membranes for municipal wastewater treatment by reverse osmosis. ([Environmental protection Agency, Water Quality Office]; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1970), also by Minn.) North Star Research and Development Institute (Minneapolis and United States. Environmental Protection Agency. Water Quality Office (page images at HathiTrust)
Find more by L. T. Rozelle at your library, or elsewhere.