Kainuma, Shoji
Ishii, Mamoru
Murayama, Yasuhiro
Kikuchi, Takashi
Mori, Hirotaka
Igarashi, Kiyoshi
Article History
Received: 11 June 1999
Revised: 19 April 2001
Accepted: 19 April 2001
First Online: 21 June 2014
Free to read: This content has been made available to all.