The reduction of sulphur needs in fertilizer manufacture. 

 - New York :  UNIDO ,  1969 
 - 61p. :  ill. ;  22 cm.  
 - Fertilizer industry series, monograph .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers<br/>Sulphur<br/>Fertilizer industry
<br/><br/><label>Dewey Class. No.: </label>631.8  / UNIDO-7