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 testing of cast iron with SR-4 type of gage : presented at the fifty-second annula meeting American Society for Testing Materials, Atlantic City, N.J. , June 29, 1949",,American Society for Testing Materials,1950,ASTM special technical publication,,,,https://cir.nii.ac.jp/crid/1130000794064835968