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 American Society for Testing Materials,"Symposium on mineral aggregates (1948) : Fifty-first annual meeting, American Society for Testing Materials, Detroit, Mich., June 21-25, 1948",,American Society for Testing Materials,1948,ASTM special technical publication,,,,https://cir.nii.ac.jp/crid/1130000795723495168