Investigation of proper motions in the field of the cluster M 67.
By: C.A. Murray and E.D. Clements.
Contributors: Clements, E. D.
Series: Royal Observatory bulletins -- no. 139
Publisher: H.M.S.O.
Published: 1968
Place of publication: London
Language: eng
Number of pages: 336
Subjects: Stars -- Open clusters.; Stars -- Magnitudes.; Stars -- Proper motion.
Other titles: Outer region
Notes: Includes bibliographical references (p. 336).