United Nations. Industrial Development Organisation, Vienna <br/><br/>
New process for the production of phosphatic fertilizers using hydrochloric acid   

 - New York  UNIDO  1969 
 - 31p. 
 - Fertilizer industry series monograph no. 5 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>338.47668625  / Un58.NP