00592na  a2200181   4500001001300000005001500013008004100028024002700069035002700096100001400123370004800137372004000185373002600225374005700251377001400308400001800322670007000340KAC2018J269020181005135724181005 b aznnnaabn          fa aaa      7 a00000004737129732isni  a(KISTI)ADPER00002773191 a이준환  c한국(국명)[韓國]0KSH20000101452nlsh  a철도[鐵道]0KSH19980045772nlsh  a샬롬엔지니어링  a연구원(연구자)[硏究員]0KSH19980377142nlsh  l한국어1 aLee, Joonhwan  a한국과학기술정보연구원(KISTI)uhttps://www.kisti.re.kr