Parallaxes of fifty stars determined at the Sproul Observatory (sixth list)
By: by John H. Pitman and Michel S. Kovalenko. Summary of the parallaxes of 300 stars determined at Sproul Observatory, by John H. Pitman and Alice Rogers.
Contributors: Kovalenko, Michel Stephanovich, 1888- joint author.; Rogers, Alice Martha, joint author.
Series: Sproul Observatory publications,; no. 12
Published: 1930
Place of publication: [Swarthmore
Language: eng
Number of pages: 134
Subjects: Parallax -- Stars.
Notes: Cover title.