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[文献書誌] Hirayama,T.: "Magnetic Morphologies of Various Prominences." IAU Colloq.No117.Springer Publ.(1990)
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[文献書誌] Hirayama,T.: "Physical Conditions in Prominences." IAU Colloq.No117,Springer Publ.(1990)
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[文献書誌] Kodaira,K.,Watanabe,T.: "Imagery of the Virgo Cluster Region II.Total Far-Ultraviolet Flux of Galaxies," Astrophys.J.(1990)
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[文献書誌] Doschek,G.A.,Watanabe,T.: "On the Dependence of Solar Flare X-Ray spectral Line Intensity Ratios of Highly Ionized Sulfur,Calcium,and Iron on Electron Temperature,Diffential Emission Measure,and Atomic Physics," Astrophys,J.(1990)