Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Nishikawa Hide-aki and Furuya Yoshiyuki,Development of Microstructurally Small Fatigue Crack Initiation and Growth Evaluation Method Using Automatic In-situ Observation System with Digital Image Correlation Technique,Tetsu-to-Hagane,00211575,The Iron and Steel Institute of Japan,2019,105,1,105-111,https://cir.nii.ac.jp/crid/1390001288104891648,https://doi.org/10.2355/tetsutohagane.tetsu-2018-096