00679nam a2200229 k 4500001001300000005001500013008004100028020002200069020002500091040002700116049001700143056001300160090002000173100001400193245006600207260002700273300001700300440003400317490001000351653007700361950001100438KMO20060355620250926131400060218s2002 ulk 000 kor 1 a8985726854g44400 a8985726846 :c\7,800 a123456c123456d1460430 lEM0000001509 a420.124 a420.1b송68원1 a송은영10a원리를 알면 과학이 쉽다:b물리편/d송은영 저 a서울:b새날,c2002 a255p.;c22cm00a재미있는 과학교실;v100v15061 a원리를a알면a과학a쉽다a물리편a재미있는a과학교실0 b\7,800