An improved description of the thorium spectrum ...
By: by Mark Fred ...
Publisher: n.p.
Published: 1938
Place of publication: Chicago
Language: eng
Number of pages: 197
Subjects: Thorium; Spectrum analysis
Notes: Thesis (Ph. D.)--University of Chicago, 1937.
"Private edition, distributed by the University of Chicago librries, Chicago, Illinois."
"Reprinted from the Astrophysical journal, vol. 87, no. 2, March 1938."