Riley, Denis <br/><br/>
World Vegetation 

 - London:  Cambride university press,  1972. 
 - 94p.  24cm 
<br/><br/><label>ISBN: </label>0521060834 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Specific topics in natural history of plants
<br/><br/><label>Dewey Class. No.: </label>581.9  / RIL