000  $anz n  2
000  $a주제어
001  $aKSH1999019753
005  $a19990704144742
008  $a990704 n azknnaabn          |a a|a    | 
150  $a벌기령[伐期齡]
450  $wr$i영어$afinal age
550  $wh$a생리적 벌기령[生理的伐期齡]
550  $a노령림[老齡林]
550  $a벌목(벌채)[伐木]
550  $a벌채령[伐採齡]
550  $a산림[山林]
550  $a유령림[幼齡林]
550  $a윤벌기[輪伐期]
550  $a장령림[壯齡林]