An investigation of the spectra of visual double stars
By: by Frederick Charles Leonard.
Published: 1923
Place of publication: [Berkeley
Language: eng
Number of pages: 194
Subjects: Double stars.; Stars -- Spectra.
Notes: Thesis (PH. D.)--University of California, 1921.
University of California publications. Astronomy. Lick observatory, number 343, with special thesis t.-p.