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The date and time of the vernal equinox: A graphical representation of the Gregorian calendar

 

作者: Ronald Lane Reese,   George Y. Chang,  

 

期刊: American Journal of Physics  (AIP Available online 1987)
卷期: Volume 55, issue 9  

页码: 848-849

 

ISSN:0002-9505

 

年代: 1987

 

DOI:10.1119/1.15002

 

出版商: American Association of Physics Teachers

 

关键词: CALENDARS;HISTORICAL ASPECTS;ASTRONOMY

 

数据来源: AIP

 

 

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