The peculiar bright-line spectrum of RY Scuti
By: by Paul W. Merrill ...
Series: Contributions from the Mount Wilson Observatory.; no. 349
Published: 1928
Place of publication: [Chicago
Language: eng
Subjects: Stars -- Spectra.; Double stars.
Notes: Cover-title.
At head of title: Carnegie Institution of Washington.
"Reprinted from the Astrophysical Journal, vol. LXVII, 1928."