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[文献書誌] Yugo,Hosoy;Yoshihiko,Tsukuda: Discussion Paper No.80 Faculty of Econonucs,Tohoku Unicersity. (1988)
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[文献書誌] Yoshihiko,Tsukuda: Discussion Paper No.81 Faculty of Economics,Tohoku Unmirsity. (1988)
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[文献書誌] Komei,Sasaki,Yoshihiko,Tsukuda,Hiroo,Shibata: 日本統計学会誌. (1989)
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[文献書誌] Yoshihiko,Tsukuda;Fred Dham: Annals of Statistics. (1989)
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[文献書誌] 刈屋武昭,佃良彦,丸淳子 編著: "日本の株価変動:ボランティリティの分析" 東洋経済新聞社, (1989)