00636na  a2200193   4500001001300000005001500013008004100028024002700069035002700096100001400123370004800137372004000185373002700225373003200252374005700284377001400341400001700355670007000372KAC2018A081520180821091907180817 b aznnnaabn          fa aaa      7 a00000004682444902isni  a(KISTI)ADPER68007999371 a김정일  c한국(국명)[韓國]0KSH20000101452nlsh  a철도[鐵道]0KSH19980045772nlsh  a삼안 철도사업부  a한국철도기술연구원  a연구원(연구자)[硏究員]0KSH19980377142nlsh  l한국어1 aKim, Jeongil  a한국과학기술정보연구원(KISTI)uhttps://www.kisti.re.kr