000  $anz n  2
000  $a주제어
001  $aKSH1998043296
005  $a20021214000000
008  $a980512 n azknnaabn          |a a|a    | 
150  $a통신 신뢰도[通信信賴度]
450  $wr$i영어$acommunication reliability
550  $wg$a신뢰도[信賴度]
550  $a통신[通信]