An investigation of some phosphate fertilizers manufactured from rock phosphate from the duchess-mine in Queensland 

 - Australia :  (s.e.),  1984 
 - 17 p.  : gráfs. 
 - Divisional report  ; 72 .
 - Divisional report  ; 72 .
<br/><br/><label>LCCN: </label>25165 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizantes fosfatados.<br/>Rocas fosfóricas.