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1
by Clifford, Dennis A., Weber, Walter J.
Cincinnati, Ohio : Springfield, Va. : Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory ; For sale by the National Technical Information Service, 1977
Subjects:
“...Water Purification Ion exchange process....”Cincinnati, Ohio : Springfield, Va. : Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory ; For sale by the National Technical Information Service, 1977
Government Document
Book
2
by Clifford, Dennis A.
Cincinnati, Ohio : Springfield, Va. : Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory ; available through the National Technical Information Service, 1978
Subjects:
“...Water Purification Ion exchange process. http://id.loc.gov/authorities/subjects/sh85145489...”Cincinnati, Ohio : Springfield, Va. : Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory ; available through the National Technical Information Service, 1978
Book