Photographic measurements of the six double stars # Cassiopeiae, # Virginis, # Bootis, 44i Bootis, # Coronae Borealis, 70 Ophiuchi, and the computation of their orbits with special attention to these measurements
By: by K. Aa. Strand
Publisher: Gedrukt bij J. Enschedé en zonen
Published: 1937
Place of publication: Haarlem
Language: eng; dan
Number of pages: 138
Notes: Pages 137-138 numbered as leaves.

Summary in Danish: 2 l. at end.

Issued also as Leyden. Sterrewscht. Annalen. v. 18 no. 2.

Thesis (doctoral)--Copenhagen, 1937.