๐”– Bobbio Scriptorium
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Optical identifications of ROSAT X-ray sources at Beijing Astronomical Observatory

โœ Scribed by Xue-Bing Wu; Jianyan Wei; Dawei Xu; Li Cao; Jingyao Hu; Jinzeng Li; Yongheng Zhao; Qibin Li


Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
131 KB
Volume
319
Category
Article
ISSN
0004-6337

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