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.). Highway Research Board,Highway planning : six papers presented at the twenty-seventh annual meeting 1947,,Highway Research Board,1948,Bulletin,,,,https://cir.nii.ac.jp/crid/1130000794945697536