World Resources, 1990-91 :    a guide to the global environment. 

 - New York :    Oxford University Press,    1990. 
 - xiv, 383 p. :    ill., maps ;    30 cm. 
<br/><br/><label>ISBN: </label>0195062299 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Climatic changes -- Environmental aspects.