Miyagawa, Hirohisa
Nakamura, Takuji
Tsuda, Toshitaka
Abo, Makoto
Nagasawa, Chikao
Kawahara, Takuya D.
Kobayashi, Keiji
Kitahara, Tsukasa
Nomura, Akio
Article History
Received: 17 August 1998
Revised: 4 July 1999
Accepted: 4 July 1999
First Online: 26 June 2014
Free to read: This content has been made available to all.