The proper motions of 3714 stars derived from plates taken at the observatories of Helsingfors and Cape of Good Hope, by J. C. Kapteyn with the cooperation of H. Weersma:
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Bibliographic Details
Main Author: Kapteyn, Jacobus C. 1851-1922 (Author)
Format: Book
Language:Finnish
Published: Groningen Hoitsema Brothers 1914
Series:Publications of the Astronomical Laboratory at Groningen. No. 25
Physical Description:28 S., 18 Taff.

There is no print copy available.

Interlibrary loan Place Request Caution: Not in THWS collection!