@article{oai:nifs-repository.repo.nii.ac.jp:00008936, author = {Toi, K. and Isobe, M. and Ogawa, K. and Spong, D.A. and LHD, Experimental Group}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-14}, title = {Frequency Sweeping of Reversed Shear Alfven Eigenmodes during Counter Neutral Beam Current Drive}, volume = {Annual Report Apr.2008 - Mar.2009}, year = {} }