Wastewater treatment / Donald W. Sundstrom and Herbert E. Klei. Sundstrom, Donald W. (Donald William), 1931- Klei, Herbert E., 1935- joint author. Sewage Purification. 628.3 SUW Includes bibliographical references and index. Englewood Cliffs, N.J. : Prentice-Hall, c1979. c1979. 1979 Text xvi, 444 p. : eng