00525nam a2200205 k 4500001001300000005001500013008004100028020002200069040001900091049001700110056001100127090001800138100001400156245004000170260004500210300001700255490001000272653002500282950001200307KMO20062022620250917110844061228s2004 ulk 000 kor 1 a8952105230g93400 a146043c1460430 lEM0000017578 a40124 a401b홍53과1 a홍성욱10a과학은 얼마나/d홍성욱 저 a서울:b서울대학교출판부,c2004 a307p.;c22cm00v13505 a과학은a얼마나0 b\11,000