Trends in environmental policy and law 
project coordinator Michael Bothe 
 - Gland, Switzerland  IUCN  1980 
 - xxi, 404p. 
 - IUCN environmental policy and law paper  no. 15 .
 - IUCN environmental policy and law paper. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental law<br/>Environmental policy