00633na a2200181 4500001001300000005001500013008004100028024002700069035002700096100001400123370004800137372004000185372005300225373003200278374005700310377001400367670007000381KAC2018J638020181030130808181008 b aznnnaabn fa aaa 7 a00000004737275422isni a(KISTI)ADPER00003204431 a김원경 c한국(국명)[韓國]0KSH20000101452nlsh a철도[鐵道]0KSH19980045772nlsh a정보 기술[情報技術]0KSH20000237292nlsh a한국철도기술연구원 a연구원(연구자)[硏究員]0KSH19980377142nlsh l한국어 a한국과학기술정보연구원(KISTI)uhttps://www.kisti.re.kr