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 "Novak, S. R. (Stephen R.)","Resistance to plane-stress fracture (R-curve behavior) of A572 structural steel : presented at Eighth National Symposium on Fracture Mechanics, Brown University, Providence, R.I., 26-28 Aug. 1974",,American Society for Testing and Materials,1976,ASTM special technical publication,,,,https://cir.nii.ac.jp/crid/1130000795844199680