@article{oai:nifs-repository.repo.nii.ac.jp:00007974, author = {Shoji, T. and Sakawa, Y. and Oka, Y.}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-14}, title = {Development of Multi-antenna RF Ion Source II}, volume = {Annual Report Apr.2002 - Mar.2003}, year = {} }