@article{oai:nifs-repository.repo.nii.ac.jp:00006831, author = {Matsui, H. and Muroga, T. and Sagara, A. and Motojima, O.}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-15}, title = {Preliminary Design and R & 0 Issues of Blanket Structural Materials for Force Free Helical Reactor (FFHR)}, volume = {Annual Report Apr.1994 - Mar.1995}, year = {} }