000  $anz n  2
000  $a주제어
001  $aKSH1999017619
005  $a19990324005717
008  $a990324 n azknnaabn          |a a|a    | 
150  $a낙산균[酪酸菌]
450  $a부티르산균[--酸菌]
450  $wr$i영어$abutyric acid bacteria
550  $wg$a세균문[細菌門]
550  $a낙산 발효[酪酸醱酵]
550  $a부티르산[--酸]