World resources. 
World Resources Institute, the international institute for environmental and development. 
 - Washington, D.C. :  World Resources Institute  1986. 
 - 353 p. ;  30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources--Statistics--Databases.<br/>Natural resources.
<br/><br/><label>Dewey Class. No.: </label>333.7  / w o