@article{oai:nifs-repository.repo.nii.ac.jp:00006486, author = {Kumazawa, R. and Mutoh, T. and Seki, T. and Nomura, G. and Shinbo, F. and Ido, T. and Watari, T.}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-15}, title = {Frequency Feedback Control for High RF Voltage and Long Pulse Test}, volume = {Annual Report Apr.1996 - Mar.1997}, year = {} }