Photographical Measurement of the Principal Stars in the Cluster of Coma Berenices and Determination of Their Proper Motions.

pamphlet. Plate, tables. 30 pages. 8vo, original beige printed wrappers. Uppsala & Stockholm: Almqvist & Wiskells, 1906.

Archiv For Mathematik.

Price: $30.00

Item #16560

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