Temperature classification of the stronger lines of columbium
Subtitle: with preliminary notes on their hyperfine structure
By: by Arthur S. King ...
Series: Contributions from the Mount Wilson Observatory.; no. 416
Published: 1931
Place of publication: [Chicago
Language: eng
Number of pages: 13
Subjects: Spectrum analysis; Niobium
Notes: Cover-title.
At head of title: Carnegie Institution of Washington.
"Reprinted from the Astrophysical Journal, vol. LXXIII, 1931."