@article{oai:nifs-repository.repo.nii.ac.jp:00006067, author = {Kimura, A. and Kasada, R. and Ono, H.}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-15}, title = {Small Specimen Test Techniques -Fracture Toughness (CT)-}, volume = {Annual Report Apr.2003 - Mar.2004}, year = {} }