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[文献書誌] Keiichi Saijo: "On the Return Map of Mira and Semiregular Carbon Stars." Bulletin of the National Science Museum,Tokyo,Ser.E.14. 1-9 (1991)
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[文献書誌] Keiichi Saijo,Sei-ichiro Kiyota: "Database for Visual Observations of Variable Stars in Japan." Bulletin of the National Science Museum,Tokyo,Ser,E. 14. 11-13 (1991)
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[文献書誌] 佐藤 英男,西城 惠一,中田 好一,早坂 匡: "岡山,堂平における晩期型脈動型変光星の測光観測" 第二回光・赤外ユ-ザ-ズミ-ティング集録. 138-142 (1991)
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[文献書誌] 西城 惠一,佐藤 英男: "ZZ Pscの測光観測" 恒星・連星研究会集録. 101-103 (1991)
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[文献書誌] Tatsuo Yanagita,Hideo Satoh,Keiichi Saijo: "Chaotic behavior and statistical Analysis of Some Mira and SR Stars" Astrophysics and Space Science. (1992)
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[文献書誌] Hideo Satoh,Keiichi Saijo,Tatsuo Yanagita: "Observation and Statistical Analysis of ZZ Psc" Astrophysics and Space Science. (1992)