1.

図書
図書
1. Sunspot and geomagnetic-storm data derived from Greenwich observations, 1874-1954 : derived from Greenwich Observations, 1874-1954
compiled under the direction of Sir Harold Spencer Jones
出版情報: London : Her Majesty's Stationery Office, 1955
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2.

図書
図書
2. Observations of colour temperatures of stars at the Royal Observatory, Greenwich in the years 1926-1938 : Volume II: Relative Gradients/ under the direction of Sir Frank Dyson
Royal Greenwich Observatory
出版情報: London : H.M.S.O., 1952
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