International conference on environmentally sustainable development <br/><br/>
Valuing the environment:proceedings of the first annual international conference on environmentally sustainable development / 
Washington, September30 - October01, 1993: edited by Ismail Serageldin, Andrew Steer  
 - Washington  World bank  1993 
 - vi, 192 p. 
<br/><br/> includes appendix 
<br/><br/><label>ISBN: </label>821328824 
<br/><br/><label>Dewey Class. No.: </label>333.716  / INT