Lange, O.L.. <br/><br/>
Physiological Plant Ecology IV /  

 - 1st ed /  
 - New York :   Springer-Verlag. 
 - p.644 :  
<br/><br/><label>ISBN: </label>0-387-10908-0  
<br/><br/><label>Dewey Class. No.: </label>I:3  / M3.4