00563na  a2200169   4500001001300000005001500013008004100028024002700069035002700096100001400123370004800137372004000185373002600225374005700251377001400308670007100322KAC2018K020220181022152847181011 b aznnnaabn          fa aaa      7 a00000004725590812isni  a(KISTI)ADPER68031666211 a허재훈  c한국(국명)[韓國]0KSH20000101452nlsh  a철도[鐵道]0KSH19980045772nlsh  a동산엔지니어링  a연구원(연구자)[硏究員]0KSH19980377142nlsh  l한국어  a한국과학기술정보연구원(KISTI)uhttps://www.kisti.re.kr/