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Geodesy
U.S. Coast and Geodetic Survey
Frank Elmore Ross
其他書名
Latitude Observations with Photographic Zenith Tube at Gaithersburg, Md
出版
U.S. Government Printing Office
, 1915
URL
http://books.google.com.hk/books?id=MBJkg9cuSGwC&hl=&source=gbs_api
EBook
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