@article{oai:nifs-repository.repo.nii.ac.jp:00003586,
 author = {"Ando,  A. and Funaoi,  T. and Oikawa,  K. and Saito,  Y. and Tanaka,  N. and Oohara,  W. and Takeiri,  Y. and Tsumori,  K. and Nakano,  H."},
 journal = {Annual Report of National Institute for Fusion Science},
 title = {Long-pulsed Operation of a Negative Hydrogen Ion Source},
 volume = {Annual Report Apr.2012 - Mar.2013}
}