著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL United States. Naval Oceanographic Office and United States. Hydrographic Office,The 1931 International code of signals,American ed,U.S. G.P.O.,1952,H.O. pub.,,,,https://cir.nii.ac.jp/crid/1130282268712031488