The Potsdam scale of visual magnitudes
By: by Frederick H. Seares ...
Series: Contributions from the Mount Wilson Observatory.; no. 431
Published: 1931
Place of publication: [Chicago
Language: eng
Number of pages: 14
Subjects: Stars -- Magnitudes.
Notes: Cover-title.
At head of title: Carnegie Institution of Washington.
"Reprinted from the Astrophysical Journal, vol. LXXIV, 1931."