The spectroscopic binary Boss 3644 Virginis
By: by John C. Duncan ...
Series: Contributions from the Mount Wilson Observatory.; no. 212
Published: 1921
Place of publication: [Chicago
Language: eng
Subjects: Double stars.; Stars -- Spectra.
Notes: Cover-title.
At head of title: Carnegie Institution of Washington.
"Reprinted from the Astrophysical Journal, vol. LIV, 1921."