Preparation of columbium and tantalum by metallic reduction of their chlorides

Additional Authors:	Campbell, Thomas T.
Year:	1962
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:6080
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	6080
Subjects:	Tantalum
	Niobium
Links:	https://hdl.handle.net/2027/mdp.39015078524298
	no.6061-6080 1962