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Joannis Keill ... Introductiones ad veram physicam et veram astronomiam. Quibus accedunt Trigonometria. De viribus centralibus. De legibus attractionis. [Edited by W. J. S. van's Gravesande.]
出版Joh. et. Herm. Verbeek, 1725
URLhttp://books.google.com.hk/books?id=eBNgAAAAcAAJ&hl=&source=gbs_api
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