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 "Isada, Nelson M",Detecting variations in load-carrying capacity flexible pavements,,"Highway Research Board, National Research Council",1966,National cooperative highway research program report,,,,https://cir.nii.ac.jp/crid/1130282270228157568