Schlesinger, F., & Barney, I. (1940). Catalogue of the positions and proper motions of 4553 stars: Re-observation by photography of the Astronom. Gesellschaft Zone between declinations -18° and -20°. Observatory.
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Chicago-viite (17. p.)
Schlesinger, Frank, ja Ida Barney. Catalogue of the Positions and Proper Motions of 4553 Stars: Re-observation by Photography of the Astronom. Gesellschaft Zone Between Declinations -18° and -20°. New Haven: Observatory, 1940.
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MLA-viite (9. p.)
Schlesinger, Frank, ja Ida Barney. Catalogue of the Positions and Proper Motions of 4553 Stars: Re-observation by Photography of the Astronom. Gesellschaft Zone Between Declinations -18° and -20°. Observatory, 1940.
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