登入選單

返回Google圖書搜尋

Results of Observations of the Total Solar Eclipse of June 20, 1927

Anton PannekoekMarcellus MinnaertNicolaas Wilhelmus Doorn

出版	Koninklijke Akademie van Wetenschappen te Amsterdam, 1928
URL	http://books.google.com.hk/books?id=aKqHkgAACAAJ&hl=&source=gbs_api