Undersøgelser over dobbeltstjerner
Subtitle: III
By: af C. Luplau Janssen
Publisher: G. E. C. Gad
Published: 1918
Place of publication: København
Language: dan
Number of pages: 52
Subjects: Double stars
Notes: Thesis--Copenihagen, 1918.

Includes bibliographical references.

Microfilm. New York, N.Y. : Columbia University Libraries, 2002. 1 microfilm reel ; 35 mm.