A program of solar research
By: by George E. Hale. Reprinted from the Astrophysical journal, vol. XXIII, p. 1-5, January 1906.
Series: Contributions from the Solar Observatory, Mt. Wilson, California,; no. 3
Published: 1906
Place of publication: [Chicago
Language: eng
Subjects: Sun.
Notes: Cover-title.
At head of title: Carnegie Institution of Washington.
Double paging.