Aonashi, Kazumasa
Shoji, Yoshinori
Ichikawa, Ryu-ichi
Hanado, Hiroshi
Article History
Received: 29 December 1999
Revised: 3 August 2000
Accepted: 9 August 2000
First Online: 24 June 2014
Free to read: This content has been made available to all.