Collings, Gilbeart H.. <br/><br/>
Commercial fertilizers /  
by Gilbeat H.Collings. 
 - 1st.Edn. /  
 - Bombay :   Tata McGraw-Hill Publishing Company Ltd. 
 - x,617p ;  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers
<br/><br/><label>Dewey Class. No.: </label>24  / J5