Shirts, M. B. <br/><br/>
Double roast-leach-electrowinning for chalcopyrite concentrates / 
by M.B. Shirts, P.A. Bloom and W.A. McKinney. 
 - Washington, D.C. :  U.S. Dept. of the Interior, Bureau of Mines,  1975. 
 - 33 p. :  ill. 
 - Report of investigations ;  7996 .
 - United States.  Bureau of Mines.  Report of investigations ;  7996. .
 - Report of investigations (United States. Bureau of Mines) ;  7996 .
<br/><br/><label>LCCN: </label>91055091 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Copper sulphides--Electrometallurgy.