00991nam a2200277 c 4500001001300000005001500013007000300028008004100031049003200072052001700104056001400121074002500135082001500160245010900175260006700284300004100351650003400392651004000426700002700466700002200493880005800515880007100573880002500644880002700669950001700696KMO20230936320230320102800ta221226s2021    bnkab         000   korJY0 lEM8418062lEM8418063c2fGP01a538.52b23-1  a538.5226  k11-1192136-000662-0101a627.23223006880-01a서해안 항로지 개선 최종보고서 /d책임연구원: 구자윤 ;e연구원: 우병구  6880-02a부산 :b해양수산부 국립해양조사원,c2021  ax, 226 p. :b삽화, 지도 ;c30 cm 8a항로[航路]0KSH1998017481 8a서해안[西海岸]0KSH19980366681 6880-03a구자윤4aut1 6880-04a우병구006245-01/(BaSeohaean hangnoji gaeseon choejong bogoseo  6260-02/(BaBusan :bHaeyang Susanbu Gungnip Haeyang Josawon,c20211 6700-03/(BaGu, Jayun1 6700-04/(BaU, Byeonggu1 a가격불명