000 $anz n 2 000 $a주제어 001 $aKSH1999021217 005 $a20021107122747 008 $a991207 n azknnaabn |a a|a | 150 $a동령림[同齡林] 450 $wr$i영어$aeven-aged forest 550 $wg$a산림[山林] 550 $a이령림[異齡林] 550 $a임령[林齡]