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 "Harr, Milton Edward and Head, W. J.",Extension of AASHO road test performance concepts,,Highway Research Board,1966,National cooperative highway research program report,,,,https://cir.nii.ac.jp/crid/1130282269292379392