Waters, R. F. <br/><br/>
Recovery of phosphates and metals from waste phosphate sludge by reduction-sinter processes 

 - Washington  Bureau of Mines  1971 
 - 10 p.  il  26 cm 
 - RI  7533 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>sintering<br/>metals<br/>phosphates
<br/><br/><label>Universal Decimal Class. No.: </label>669