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 "Grace, J. Peter (Joseph Peter) and U.S. Army Engineer District, Buffalo","Investigation of Breakwater Stability at Presque Isle Peninsula Erie, Pennsylvania",,"U.S. Army Engineer District, Buffalo",1989,Technical report CERC,,,,https://cir.nii.ac.jp/crid/1130282273182608000