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[文献書誌] M.Tanaka,T.Hasegawa,and I.Gatley: "Infrared Fluorescence of H_2 In NGC 6240:A starburst Origin for the H_2 Luminosity" Astrophysical Journal. 374. 516-521 (1991)
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[文献書誌] T.Hasegawa,M.Hayashi,T.Handa,T.Oka,and Y.Sofue: "The Large Scale Variation of the CO J=2‐1/J=1‐0 Intentity Ratio in the Milky Way" Proceedings of a Session of IAU General Assembly,The Galactic Structure,ed.L.L.Blits. (1992)
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[文献書誌] M.Hayashi,T.Hasegawa,N.Ohashi,K.Sunada,R.Kawabe,and Y.Fukui: "Formation and Dispersal of Molecular Cloud Cores" Proceedings of the Third haystack Conference:Atoms,Ions,and moleculeS:New Results from spectral Line Astrophysics,eds.A.D.Haschick and P.T.P.Ho,ASP Conference Series. 16. 223-232 (1991)
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[文献書誌] R.Garden,M.Hayashi,I.Gatley,T.Hasegawa,and N.Kaifu: "A spectroscopic Study of the DR21 Outflow Source.III.The CO Line Emission" Astrophysical Journal. 374. 540-554 (1991)
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[文献書誌] Y.Sofue: "Molecular Rings in Galaxies and a Possible New Cosmic Distance Indicator" publ.Astron.Soc.Japan. 43. 671-683 (1991)
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[文献書誌] T.Handa,and Y.Sofue: "The Molecular Bar and Arm of the Barred‐Spiral Galaxy M83" Proceedings of IAU Symposium,Dynamics of Galaxies and Their Molacular Cloud Distributions,eds.F.Combes and F.Casoli. 146. 156-158 (1991)