Kojima, Takeshi
Okada, Makoto
Ohira, Hiroto
Tokieda, Katsuyasu
Komuro, Hiroaki
Amano, Kazuo
Article History
Received: 21 March 2000
Revised: 29 September 2000
Accepted: 30 September 2000
First Online: 6 June 2014
Free to read: This content has been made available to all.