Zirconium.

Author:	Youngman, E. P.
Year:	1931
Document Type:	USBI
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.11:6455
Series:	Information circular / Bureau of Mines ;
Report Number:	6455
Subject:	Zirconium
Link:	https://hdl.handle.net/2027/mdp.39015074127492