著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) G.W. Geil and N.L. Carwile and T.G. Digges,Influence of nitrogen on the notch toughness of heat-treated 0.3-percent-carbon steels at low temperatures,Journal of Research of the National Bureau of Standards,0091-0635,National Institute of Standards and Technology (NIST),1952-03,48,3,193,https://cir.nii.ac.jp/crid/1361981468704605696,https://doi.org/10.6028/jres.048.027