Nilsen, D. N. <br/><br/>
Solvent extraction of nickel and copper from laterite-ammoniacal leach liquors / 
by D.N. Nilsen, R.E. Siemens and S.C. Rhoads. 
 - United States :  U.S. Department of the Interior, Bureau of Mines,  1982. 
 - 29 p. :  ill. ;  26 cm. 
 - Bureau of Mines report of investigations ;  8605 .
<br/><br/>Bibliography: p. 28-29. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nickel--Metallurgy.<br/>Copper--Metallurgy.<br/>Laterite--United States.<br/>Solvent extraction.