@article{oai:nifs-repository.repo.nii.ac.jp:00006835,
 author = {Matsukawa,  T. and Ishida,  M. and Sato,  Y. and Chikaraishi,  H.},
 month = {2016-03-15},
 title = {Study on Cryogenic Characteristics of Advanced Uni-Polar Power Electronics Devices and Their Application to High Efficiency AC/DC Converter},
 volume = {Annual Report Apr.2005 - Mar.2006},
 year = {}
}