A field guide to the selection of bright stars for extinction measures
By: by F. C. Bertiau.
Series: Vatican Observatory publications, v. 1, no. 3; Vatican Observatory publications ;; v. 1, no. 3.
Publisher: Specola vaticana
Published: 1971
Place of publication: Vatican City
Language: eng
Subjects: Stars -- Magnitudes.
Notes: Includes bibliography.
Cover title.