Hydrogen reduction of galena and sphalerite

Author:	Spagnola, J. D.
Year:	1965
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:6662
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	6662
Subjects:	Sphalerite
	Galena
Link:	https://hdl.handle.net/2027/mdp.39015078513291