000  $anz n  2
000  $a주제어
001  $aKSH2006005334
005  $a20060426211710
008  $a060426 n azknnaabn          |a a|a    | 
150  $a계절 가변수[季節假變數]
450  $wr$i영어$aseasonal dummy
550  $wg$a가변수[假變數]