00640na  a2200181   4500001001300000005001500013008004100028024002700069035002700096100001400123370004800137372005300185373005700238374005700295377001400352400002200366670007000388KAC2018J252120181029130743181005 b aznnnaabn          fa aaa      7 a000000047381171X2isni  a(KISTI)ADPER68020445671 a정명숙  c한국(국명)[韓國]0KSH20000101452nlsh  a우주 항공[宇宙航空]0KSH20000214862nlsh  a한국항공우주연구원 교통항법연구센터  a연구원(연구자)[硏究員]0KSH19980377142nlsh  l한국어1 aJeong, Myeongsook  a한국과학기술정보연구원(KISTI)uhttps://www.kisti.re.kr