00503nam 2200193 k 4500001001300000005001500013008004100028020002200069040001900091056001100110090001800121100001400139245004000153260004500193300001700238653002500255950001200280049001700292KMO20062022620061228191557061228s2004 ulk 000 kor 1 a8952105230g93400 a146043c146043 a40124 a401b홍53과1 a홍성욱10a과학은 얼마나/d홍성욱 저 a서울:b서울대학교출판부,c2004 a307p.;c22cm a과학은a얼마나0 b\11,0000 lEM0000017578