$1!at!`S!>w!>[!JU!Xl (B: s $1!F\!04!M"!R7!5*!5= (B/ s - Nakamura,Haruaki; Murase,Yasuhiro; $1!:j!ND!U<s ($1!T+!4I!<D (B: s $1!9%!EU!BX!4H(B, s, 2000)