00558na  a2200157   4500001001300000005001500013008004100028024002700069100001400096370004800110372004600158373002000204374005700224377001400281670010500295KAC20207917920200702102711200702 b aznnnaabn          fa aaa      7 a00000004932468932isni1 a김서화  c한국(국명)[韓國]0KSH20000101452nlsh  a수리학[水理學]0KSH19980357432nlsh  a수자원기술  a연구원(연구자)[硏究員]0KSH19980377142nlsh  l한국어  a상수도시설 누수관리를 위한 극저주파 위치탐사 시스템 개발, (환경부), 2017