00671nam a2200217 k 4500001001300000005001500013008004100028020003500069040001900104049001700123056001400140090002100154245005700175260003100232300002600263490004700289653004500336700001400381830004700395950001100442KMO20240756520240710162037240701s2019 ulka 000a kor  a9788963193373g03420 :c\14000 a146043c1460430 lMEM000002064 a420.1226 a420.12b곽64ㅅ00a상대성이론은 처음이지? /d곽영직 지음 a서울 :b북멘토,c2019 a208 p. :b삽화 ;c210a과학이 꼭 어려운 건 아니야 ;v1 a교양과학a상대성이론a물리학1 a곽영직 0a과학이 꼭 어려운 건 아니야 ;v10 b\14000