World resources 1988-89/ World Resources Institute 

 - Nova York:  WRI,  1988 
 - 372p. 
<br/><br/> Inv. 2018 
<br/><br/><label>ISBN: </label>0-465-09241-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Recursos mundiais<br/>Ambiente
<br/><br/><label>Universal Decimal Class. No.: </label>504.03 WOR as