000  $anz n  2
000  $a주제어
001  $aKSH1998036686
005  $a20021019000000
008  $a980429 n azknnaabn          |a a|a    | 
150  $a음향 산란[音響散亂]
450  $wr$i영어$aacoustic scattering
550  $wg$a산란(파동)[散亂]
550  $a수중 음향[水中音響]
550  $a음향학[音響學]