@article{oai:nifs-repository.repo.nii.ac.jp:00007462, author = {"Murakami, S. and Nakajima, N. and Okamura, S. and Okamoto, M."}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-14}, title = {Orbital Aspects of Reachable β Value in NBI Heated Heliotron/Torsatrons}, volume = {Annual Report Apr.1994 - Mar.1995}, year = {} }