Authors
-------

 , Masaki Wakabayashi (masaki@am.ics.keio.ac.jp)
 , Junji Yamamoto     (junji@am.ics.keio.ac.jp)
Ʃ Ű,   Tohru Kisuki       (kisuki@am.ics.keio.ac.jp)
 , Takuji Komeda      (komeda@am.ics.keio.ac.jp)
 ɲ, Keisuke Inoue      (keisuke@am.ics.keio.ac.jp)
