00691cam a2200229 k 4500001001300000005001500013008004100028020003000069040001900099049001700118056001100135090001800146100001400164245010100178246004700279260003000326300002600356490000900382653004500391700001400436950001100450KMO20070068620251113132017070101s2006 ulk 000a kor  a8978952542g74370:c\9500 a146043c1460430 lJU0000005135 a40424 a404b우79재1 a우진영10a재미있는 과학 상식 :b초등학생이 꼭 알아야 할/d우진영;e정경희 [공저]0 i관제:a초등학생이 꼭 알아야 할 a서울:b가림M&B,c2006 a221p.:b삽도;c23cm00v9349 a초등학생a재미있는a과학상식1 a정경희0 b\9,500