REFERENCES
1.
2.
H. G.
Hoge
and Ferdinand G.
Brickwedde
, J. Research Natl. Bur. Standards
22
, 351
(1939
).3.
Keesom, Bijl, and Van der Horst, Leiden Commun. No. 217a (1931).
This content is only available via PDF.
© 1954 American Institute of Physics.
1954
American Institute of Physics
You do not currently have access to this content.