The Uppsala spectral classification
Subtitle: intrinsic colours and absolute magnitudes
By: by Bertil Ljunggren and Tarmo Oja.
Contributors: Oja, Tarmo, joint author.
Series: Nova acta Regiae Societatis Scientiarum Upsaliensis ; ser. 4, v. 18, no. 1; Acta Universitatis Upsaliensis.; Ser. IV, v. 18, no. 1.
Publisher: Almqvist & Wiksell
Published: 1961
Place of publication: Uppsala
Language: eng
Number of pages: 40
Subjects: Stars -- Spectra -- Classification.; Stars -- Color.; Stars -- Magnitudes.
Notes: Bibliography: p. 39-40.