Nilsen, D. N. <br/><br/>
Solvent extraction of cobalt from laterite-ammoniacal leach liquors / 
[by D. N. Nilsen, R. E. Siemens, and S. C. Rhoads]. 
 - Washington :  U.S. Dept. of the Interior, Bureau of Mines,  [1979] 
 - 23 p. 
 - Report of investigations ;  8419        .
 - United States.  Bureau of Mines.  Report of investigations ;  8419 .
 - Report of investigations (United States. Bureau of Mines) ;  8419 .
<br/><br/><label>LCCN: </label>79607995  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cobalt--Metallurgy.<br/>Solvent extraction.<br/>Laterite.