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Google圖書搜尋
Investigations of the Masses of the Outer Planets
P. Kenneth Seidelmann
Raynor L. Duncombe
W.J. Klepzynski
出版
Astrodynamics Specialists Conference
, 1971
URL
http://books.google.com.hk/books?id=0-g20AEACAAJ&hl=&source=gbs_api