An analyzer for determining helium-4 in the parts-per-billion range

Author:	Holland, Philip W.
Year:	1984
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I28.23:8853
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	8853
Subjects:	Gas detectors
	Helium--Isotopes--Analysis
Link:	https://hdl.handle.net/2027/mdp.39015078470468