Lauchli, A.. <br/><br/>
Inorganic Plant Nutrition /  

 - 1st ed /  
 - New York :   Springer-Verlag. 
 - p.430 :  
<br/><br/><label>ISBN: </label>0-387-12103-X  
<br/><br/><label>Dewey Class. No.: </label>I:(L:46)  / M3;1