An astrometric and photometric study of the Scorpius OB1 association
By: door Lucien Lucas Eduard Braes
Publisher: Sterrewacht Leiden
Published: 1967
Place of publication: Leiden]
Language: eng
Number of pages: 88
Subjects: Stars; Proper motion; Astrometry; Astronomical photometry
Notes: Two folded leaves of ill. inserted.

"Stellingen" and summary in Dutch laid in.

Thesis (doctoral)--Rijksuniversiteit te Groningen, 1967.

Includes bibliographical references (p. 87-88).