International environmental policy : from the twentieth to the twenty-first century /
Lynton Keith Caldwell.
- 3rd ed. / rev. and updated with the assistance of Paul Stanley Weiland.
- Durham : Duke University Press, 1996.
- viii, 484 p. ; 24 cm.
Previous ed. has subtitle: Emergency and dimensions.
Includes bibliographical references (p. [389]-468) and indexes.