000  $anz n  2
000  $a주제어
001  $aKSH1998042534
005  $a19980619161328
008  $a980619 n azknnaabn          |a a|a    | 
150  $a광녹음[光錄音]
450  $a광학 녹음[光學錄音]
450  $a광학식 녹음[光學式錄音]
450  $wr$i영어$aoptical recording
550  $wg$a녹음(소리)[錄音]
550  $a사진 유제[寫眞乳劑]