Riley, Denis  1913- <br/><br/>
World vegetation / 
by Denis Riley and Anthony Young. 
 - London :  Cambridge U. P.,  1968. 
 - 96 p. :  illus. ;  25 cm. 
<br/><br/> Reprint of 1966 ed. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phytogeography.
<br/><br/><label>Dewey Class. No.: </label>581  / RIW 1968