@article{oai:nifs-repository.repo.nii.ac.jp:00005818, author = {Kasuya, N. and Yagi, M. and Itoh, K. and Itoh, S.-I.}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-15}, title = {Theoretical Studies of Equilibrium Beta Limit in Heliotron Plasmas}, volume = {Annual Report Apr.2008 - Mar.2009}, year = {} }