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 "National Research Council (U.S.). Transportation Research Board. Meeting (68th : 1989 : Washington, D.C.)","Rigid and flexible pavement design and analysis : unbound granular materials, tire pressures, backcalculation, and design methods",,"Transportation Research Board, National Research Council",1989,Transportation research record,,0309048222,,https://cir.nii.ac.jp/crid/1130282271800130048