1.

図書
図書
1. Observations of the planet Eros 1900-1901 for determination of the solar parallax from photographs taken and measured at the Royal observatory, Greenwich
under the direction of William Henry Mahoney Christie
出版情報: Edinburgh : Printed for H.M.S.O., 1908
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2.

図書
図書
2. New reduction of Groombridge's circumpolar catalogue for the epoch 1810・0 by Frank Watson Dyson and William Grasett Thackeray
Royal Greenwich Observatory ; Dyson, Frank Watson ; Thackeray, William Grasett
出版情報: Edinburgh : Printed for His Majesty's Stationery office, 1905
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