00572na  a2200169   4500001001300000005001500013008004100028024002700069035002700096100001400123370004800137372004000185373003600225374005700261377001400318670007000332KAC2018H053420181024170400180921 b aznnnaabn          fa aaa      7 a00000004687621322isni  a(KISTI)ADPER68027291551 a정명렬  c한국(국명)[韓國]0KSH20000101452nlsh  a철도[鐵道]0KSH19980045772nlsh  a서울메트로 기술연구소  a연구원(연구자)[硏究員]0KSH19980377142nlsh  l한국어  a한국과학기술정보연구원(KISTI)uhttps://www.kisti.re.kr