@article{oai:nifs-repository.repo.nii.ac.jp:00001295, author = {"Yoshida, N. and Yugami, N. and Kimura, Y. and Fujiwara, T. and Yoshihara, R. and Oya, Y. and Okuno, K. and Hatano, Y. and Masuzaki, S. and Tokitani, M. and Ashikawa, N."}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-11}, title = {Change of Surface Properties of First Wall Due to Installation of Closed Divertors}, volume = {Annual Report Apr.2013 - Mar.2014}, year = {} }