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 Recent Developments in the Evaluation of Natural Rubber : presented at the fifty-fifth annual meeting , American Society for Testing Materials, New York, N. Y., June 26, 195",,ASTM,1953,ASTM special technical publication,,,,https://cir.nii.ac.jp/crid/1130000793959056640