00598na  a2200181   4500001001300000005001500013008004100028024002700069035002700096100001400123370004800137372004000185373003200225374005700257377001400314400001800328670007000346KAC2018I382020181001145911181001 b aznnnaabn          fa aaa      7 a00000004735900562isni  a(KISTI)ADPER68026373221 a송용수  c한국(국명)[韓國]0KSH20000101452nlsh  a철도[鐵道]0KSH19980045772nlsh  a한국철도기술연구원  a연구원(연구자)[硏究員]0KSH19980377142nlsh  l한국어1 aSong, Yongsoo  a한국과학기술정보연구원(KISTI)uhttps://www.kisti.re.kr