@article{oai:nifs-repository.repo.nii.ac.jp:00009297, author = {Ueda, Y. and Kawai, Y.}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-14}, title = {Production of a High Density ECR Plasma and Microwave Propagation}, volume = {Annual Report Apr.1997 - Mar.1998}, year = {} }