Valuing the environment: proceedingd of the first annual International Conference on Environmentally Sustainable Development held at The World Bank, Washington, D.C., September 30 October 1, 1993/ Ismail Serageldin, Andrew Steer editors. 

 - Washington, D.C.:  The World Bank,  1994 
 - 192p.:  ill.;  27cm 
 - Environmentally sustainable development proceedings series; no.2 .
<br/><br/><label>ISBN: </label>0821328824