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 "Gibson, G.P.",η values for compact geometry specimens to calculate the J integral,,H.M.S.O.,1984,AERE-R,,0705805999,,https://cir.nii.ac.jp/crid/1130000794584552576