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ralph lauren polo


First Author:
 
Koji Kotani
International University of Japan
kkotani@iuj.ac.jp
 
777 Kokusai-cho
Minami-uonuma, 949-7277, Japan
 
81257791409(Phone)
81257791409(Fax)

Second Author:

Shunsuke Managi
Yokohama National University
managi@ynu.ac.jp
 
 
 
 

Third Author:

Kenta Tanaka
Yokohama National University
d07fc005@ynu.ac.jp