Survey of information systems related to environmentally sound technologies :   Interim report. 

 - New York :   United Nations Environment Programme,   April 1995. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MEDIO AMBIENTE<br/>SISTEMAS DE INFORMACION<br/>DESARROLLO SUSTENTABLE
<br/><br/><label>Universal Decimal Class. No.: </label>504