[Environmental protection Agency, Water Quality Office]; for sale by the Supt. of Docs., U.S. Govt. Print. Off.,
North Star Research and Development Institute (Minneapolis, Minn.)
North Star Research and Development Institute (Minneapolis, Minn.)
Rozelle, L. T., 1933-
United States. Environmental Protection Agency. Water Quality Office.
Water pollution control research series
New and ultrathin membranes for municipal wastewater treatment by reverse osmosis.
New and ultrathin membranes for municipal wastewater treatment by reverse osmosis.
New and ultrathin membranes for municipal wastewater treatment by reverse osmosis.
North Star Research and Development Institute (Minneapolis, Minn.)