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 and Materials,"Symposium on Ultrasonic Testing : presented at the fifty-second Annual Meeting American Society for Testing Materials, Atlantic City, N. J., June 28, 1949",,American Society Testing Materials,1951,ASTM special technical publication,,,,https://cir.nii.ac.jp/crid/1130000793819010560