Hopkins, William G <br/><br/>
Introduction to Plant Physiology / 
by William G.Hopkins 
 - 2nd Ed. 
 - New York:  John Wiley and Sons,  1999 
 - p.512 
<br/><br/><label>ISBN: </label>0471192813 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology <br/>Physiology and related subjects <br/>Plants and microorganisms
<br/><br/><label>Dewey Class. No.: </label>571.2  / HOP-I 2