Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yukawa Natsuo and Takeda Shûzô,"On the Age-Hardening of Cr-Mo-Fe Alloys (Studies on Cr-Mo-Fe Super-Heat-Resisting Alloys, 2nd Report)",Journal of the Japan Institute of Metals and Materials,00214876,The Japan Institute of Metals and Materials,1963,27,3,99-105,https://cir.nii.ac.jp/crid/1390282681458569472,https://doi.org/10.2320/jinstmet1952.27.3_99