Collings, Gilbeart. <br/><br/>
Commercial fertilizers   

 - 5th edition.  
 - New Delhi :   Tata Mcgraw Hill,   1962. 
 - XII, 392 ;  
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical Sciences
<br/><br/><label>Dewey Class. No.: </label>660.61  / COL