Valuing the environment :  six case studies / 
edited by Jean-Philippe Barde and David W. Pearce. 
 - London :  Earthscan Publications,  1991. 
 - 271 pages ;  22 cm. 
<br/><br/><label>ISBN: </label>1853830747 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental policy--Evaluation--Case studies.