@article{oai:nifs-repository.repo.nii.ac.jp:00003308,
 author = {"Sakamoto,  M. and Tokunaga,  K. and Shoji,  T. and Ohya,  K. and Ashikawa,  N. and Masuzaki,  T. and Sagara,  A."},
 journal = {Annual Report of National Institute for Fusion Science},
 month = {2016-03-14},
 title = {In Situ Measurement of Surface Modifi cation of Plasma-facing Material during the Long Duration Discharge},
 volume = {Annual Report Apr.2006-Mar.2007},
 year = {}
}