@article{oai:nifs-repository.repo.nii.ac.jp:00005431, author = {Itoh, K. and Itoh, S.I. and Yagi, M. and Fukuyama, A.}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-15}, title = {Physics of Collapses 1n Toroidal Helical Plasmas}, volume = {Annual Report Apr.1997 - Mar.1998}, year = {} }