$B==>!%+%k%G%i2P;3$NJ88%(B
$BCSED(B $BJ]IW!&8~;3(B $B1I(B
1983
$BKL3$F;!$IYNILn!<00@nCO0h$N2P:UN.BO@QJ*$NAX=x$HBPHf(B
$BCO
vol.89, no.3
163-172
$BW"@%(B $BOK!&@n>e(B $B8;B@O:!&BgDE(B $BD>(B
2009
$B>e@n;YD#4IFb$NCOe@nCOJ}CfIt(B $BCO
$BKL3$F;N)CO
62p
$B@PDM(B $B5H9@!&Cf@n(B $B8w90!&F#86(B $B?-Li(B
2010
$B==>!3Y2P;3CO
$B;:6H5;=QAm9g8&5f=jCO
no.16
8p
$BLa$k(B$B!!(B$B$H$8$k(B $BJD$8$k(B