Sun-spot lines in the spectrum of Arcturus
By: by Walter S. Adams.
Series: Contributions from the Solar observatory, Mt. Wilson, California,; no. 12
Published: 1906
Place of publication: [Chicago
Language: eng
Subjects: Stars -- Spectra.
Notes: Cover-title.
At head of title: Carnegie Institution of Washington.
Double paging.
Reprinted from the Astrophysical journal, vol. XXIV, p. 69-77, September, 1906.