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First Author:
 
Fumiko Takeda
Yokohama City University
ftakeda@yokohama-cu.ac.jp
 
Faculty of Economics and Business Administration, Yokohama City University, 22-2, Seto, Kanazawa-ku
Yokohama, 236-0027, Japan
 
+81-45-787-2118(Phone)
+81-45-787-2118(Fax)
http://ftakeda.tripod.com

Second Author:

Katsumi Matsuura
Yokohama City University
kmatsu@yokohama-cu.ac.jp