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1 heading found for n 50060524
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Zhongguo ke xue yuan. Zijin shan tian wen tai
紫金山天文台 Purple Mountain Observatory (Nanjing) Académie chinoise des sciences (Pékin). Observatoire de la montagne Pourpre Zijinshan tian wen tai (Nanjing) Purple Mountain Observatory |
Corporate | 1901-2000 yi bai nian ri li biao Photographic observations of the positions of minor planets and the orbital elem ... Chinese astronomical ephemeris |