Managing pollution : economic valuation and environmental toxicology / edited by Clive L. Spash and Sandra McNally. Spash, Clive L. McNally, Sandra, 1972- Pollution Economic aspects Case studies. Pollution Government policy Case studies. HC79.P55 M36 2001 363.737 21 MAN Includes bibliographical references and index. Cheltenham ; Northampton, MA : E. Elgar, c2001. c2001. 2001 Text xii, 222 p. : eng