Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) FUKUI Yasuyoshi and NAKANISHI Kenji and HIRAYAMA Shinichi,Fractographic analysis of the ductile fracture mechanism under stretch forming.,TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A,03875008,The Japan Society of Mechanical Engineers,1987,53,491,1340-1346,https://cir.nii.ac.jp/crid/1390001204479386112,https://doi.org/10.1299/kikaia.53.1340