Waltner-Toews, David, 1948- Ecosystem sustainability and health : a practical approach / David Waltner-Toews. - Cambridge, UK ; New York, NY, USA : Cambridge University Press, 2004. - 138 p. : ill. ; 26 cm. Includes bibliographical references (p. 130-134) and index. ISBN: 0521824788 0521531853 (pbk.) Subjects--Topical Terms: Ecosystem management.Environmental health. Dewey Class. No.: 333.9516 TOE