@article{oai:nifs-repository.repo.nii.ac.jp:00006676, author = {Maekawa, R. and Matsubara, Y. and Takami, S. and Okada, A.}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-15}, title = {Two-Stage Pulse Tube Refrigerator for the Integrated Current Lead System}, volume = {Annual Report Apr.2006-Mar.2007}, year = {} }