Paper for ETSG 2007 meeting in Athens

Author: Toshihiro Ichida and Chia-Hui Lu
Affiliation: School of Commerce, Waseda University in Tokyo and
                City University of Hong Kong

The link to the paper (which is a pdf version)

paper.pdf  (this version is made on Aug 22)

ichida.pdf (this version is on Aug. 30 with figures)

The link to a tex version of paper


Copyright: Toshihiro Ichida, Aug 29, 2007 Waseda University