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Google圖書搜尋
The Orbits of Three Spectroscopic Binaries H.D. 2019, H.D. 10588 and H.D. 14688
David Dunlap Observatory
John Frederick Heard
Northcott, Reginald James
出版
University of Toronto Press
, 1949
URL
http://books.google.com.hk/books?id=ouh5MwEACAAJ&hl=&source=gbs_api
