Mitteilungen der Nikolai-Hauptsternwarte zu Pulkowo.
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Item Link | Original Source |
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Full view vol. 1, no. 1-12 (1905-1906) | Princeton University |
Full view vol. 2, no. 13-24 (1907-1908) | Princeton University |
Full view vol. 3, no. 25-36 (1908-1910) | Princeton University |