Harper, John L. <br/><br/>
Population biology of plants/ 
by John L. Harper. 
 - New York:  Academic Press,  1977. 
 - 892 p. :  ill. ;   24 cm. 
<br/><br/><label>ISBN: </label>0123258502 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant populations.<br/>Population biology.