On the relations between period, luminosity, and spectrum among Cepheids
By: by Henry Norris Russell ...
Series: Contributions from the Mount Wilson Observatory.; no. 339
Published: 1927
Place of publication: [Chicago
Language: eng
Number of pages: 13
Subjects: Variable stars.; Stars -- Magnitudes.; Stars -- Spectra.
Notes: Cover-title.
At head of title: Carnegie Institution of Washington.
"Reprinted from the Astrophysical Journal, vol. LXVI, 1927."