(1) $BCx:n8"LdBj(B $B$K$D$$$F0U8+!J9gK!$+!?0cK!$+!K$r=q$-$J$5$$!%M}M3$bE:$($k$3$H!%(B
(2) $B%3%s%T%e!<%?%;%-%e%j%F%#$K$*$1$k(B 3 $B $B$R$H$DLa$k(B $B@>B $B$KLa$k(B NISHIMURA, Kazuo$B!!(Bnishimura@komazawa-u.ac.jp