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 "Ahrens, John P. and U.S. Army Corps of Engineers",Characteristics of Reef Breakwaters,,U.S. Army Corps of Engineers,1987,Technical report CERC,,,,https://cir.nii.ac.jp/crid/1130282269979373056