Nitride intermediates in the preparation of columbium, vanadium, and tantalum metals(in two parts) :

Author:	Guidotti, Ronald A.
Additional Authors:	Kesterke, Donald C.,, Atkinson, G. B.
Year:	1975
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:8079
Series:	Report of investigations - Bureau of Mines ;
Report Number:	8079
Subjects:	Niobium
	Nitrides
	Vanadium
	Tantalum
Links:	https://hdl.handle.net/2027/uc1.31210024976050
	https://hdl.handle.net/2027/mdp.39015078473280