Ecological aspects of used-water treatment - Curds, C. R. (Colin Robert), 1937-; Hawkes, H. A. (Herbert Aubrey), 1921- (London : Academic Press, 1975)
v. 1. The organisms and their ecology - v. 3. Processes and their ecology
Includes bibliographical references and index
Keywords: Sewage -- Microbiology; Sewage -- Purification -- Biological treatment; Freshwater ecology