Proceedings  of the seminar on Fertiliser Production and Technology/ 
organised by the Fertiliser Association of India held at New Delhi, December 14-16, 1969 
 - New Delhi :  The Association,  1970 
 - x, 753 p. :  ill. ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers--Congress<br/>Fertilizer industry--Congress
<br/><br/><label>Dewey Class. No.: </label>338.4766862