000  $anz n  2
000  $a주제어
001  $aKSH2002019000
005  $a20021008000000
008  $a020816 n azknnaabn          |a a|a    | 
150  $aDSU[Digital Service Unit]
450  $wr$i영어$aDigital Service Unit
550  $a컴퓨터 통신[--通信]