1.

図書
図書
1. The variations in the profiles of strong Fraunhofer lines along a radius of the solar disc
door Jakob Houtgast
出版情報: Utrecht : Schotanus & Jens, 1942
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2.

図書
図書
2. The solar spectrum 2935 Å to 8770 Å : second revision of Rowland's Preliminary table of solar spectrum wavelengths
[by] Charlotte E. Moore, M.G.J. Minnaert [and] J. Houtgast
出版情報: Washington : National Bureau of Standards ; for sale by the Superintendent of Documents, U.S. Govt. Print. Off., 1966
シリーズ名: National Bureau of Standards monograph ; 61
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