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[文献書誌] T.Ono,A.Morioka,A.Kumamoto,H.Oya,K.Kobayashi,T.Obara and T.Nakagawa: "Plasma Waves and Sounder(PWS)Experiment on-board the Planet-B Mars Orbiter" Earth,Planets and Space. 50. 213-222 (1998)
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[文献書誌] H.Oya and T.Ono: "A New Altimeter for Mars Land Shape Observation Utilizing the Ionospheric Sounder System on board the Planet-B Spacecraft" Earth,Planets and Space. 50. 229-234 (1998)
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[文献書誌] M.Yamamoto,T.Ono,H.Oya,R.T.Tsunode,M.F.Larsen,S.Fukao and M.Yamamoto: "Structures in sporadic-E observed with an impedance probe during the SEEK campaign:Comparison with neutral-wind and radar-echo observations" Geophys.Res.Lett.25. 1781-1784 (1998)
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[文献書誌] Oya,H.,M.Iizima,A.Morioka,and H.Murao: "Extremely large enhancements of the Jovian decameter radio bursts caused by the megnetosphere-plasmasphere passages of Shoemaker-Levy 9 comet fragments" J.Geomag.Geoelectr.49. s49-s66 (1998)
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[文献書誌] Misawa,H.,H.Oya,and M.Iizima: "Polarization Characteristics of Io-related Jovian Decametric Radiations" J.Geomag.Geoelectr.49. s67-s78 (1998)