The system of open star clusters and our galaxy.
Subtitle: Atlas of open star clusters.
By: [By] G. Alter and J. Ruprecht.
Contributors: Ruprecht, J.
Publisher: Publishing House of the Czechoslovak Academy of Sciences
Published: 1963
Place of publication: Praha
Language: eng
Number of pages: 53
Subjects: Stars -- Clusters; Milky Way
Other titles: Atlas of open star clusters.
Notes: In portfolio.

Bibliography: p. 30.