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Equatorial Observations made at the United States Naval Observatory at Washington

 

作者: Professor Asaph Hall,  

 

期刊: Astronomische Nachrichten  (WILEY Available online 1871)
卷期: Volume 77, issue 1  

页码: 15-16

 

ISSN:0004-6337

 

年代: 1871

 

DOI:10.1002/asna.18700770105

 

出版商: WILEY‐VCH Verlag

 

数据来源: WILEY

 

 

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