Water quality : processes and policy - 4 0 16; (Stephen Thomas), 1947- Trudgill, Stephen T.;Walling, D. E.;Webb, Bruce; 5 (New York : Wiley, 1999)
Includes bibliographical references and index.
Keywords: 2 -- 0; 6; Pollution.;Government policy. -- Water quality.;Water;Water quality management -- 20; 20; 2