The Astrophysical Observatory of the Smithsonian Institution
Series: Smithsonian Institution. Publication -- 3955; Publication (Smithsonian Institution) -- 3955
Publisher: U.S. Govt. Print. Off.
Published: 1949
Place of publication: Washington
Language: eng
Number of pages: 175
Subjects: Smithsonian Astrophysical Observatory
Notes: "From the Smithsonian report for 1948."

"Reprinted ... from Leaflet no. 216, Astronomical Society of the Pacific, with revision and the addition of illustrations by the author."