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 Asphalt Institute,Specification for asphalt macadam surface course : penetration method with hot asphalt cement,2nd ed,Asphalt Institute,1934,Construction specifications,,,,https://cir.nii.ac.jp/crid/1130282269672412672