@article{oai:nifs-repository.repo.nii.ac.jp:00007969, author = {Shoji, T. and Sakawa, Y. and Hamabe, M. and Oka, Y.}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-14}, title = {Development of Multi-antenna RF Ion Source}, volume = {Annual Report Apr.2001 - Mar.2002}, year = {} }