Micrometer measures of 618 double stars
By: by R. L. Walker, Jr.
Series: Publications of the U.S. Naval Observatory ;; 2d ser., v. 22, pt. 5; Publications of the United States Naval Observatory ;; 2d ser., v. 22, pt. 5.
Publisher: U.S. Govt. Print. Off.
Published: 1972
Place of publication: [Washington
Language: eng
Number of pages: 66
Subjects: Double stars.; Micrometers (Instruments)
Notes: Bibliography: p. 7.