00590na  a2200181   4500001001300000005001500013008004100028024002700069035002700096100001100123370004800134372004000182373003200222374005700254377001400311400001300325670007000338KAC2018J845620181022164035181010 b aznnnaabn          fa aaa      7 a00000004737400342isni  a(KISTI)ADPER00000271831 a김은  c한국(국명)[韓國]0KSH20000101452nlsh  a철도[鐵道]0KSH19980045772nlsh  a한국철도기술연구원  a연구원(연구자)[硏究員]0KSH19980377142nlsh  l한국어1 aKim, Eun  a한국과학기술정보연구원(KISTI)uhttps://www.kisti.re.kr