@article{oai:nifs-repository.repo.nii.ac.jp:00001935,
 author = {"Nakano,  H. and Tsumori,  K. and Nagaoka,  K. and Shibuya,  M. and Ikeda,  K. and Osakabe,  M. and Kaneko,  O. and Asano,  E. and Kondo,  T. and Sato,  M. and Komada,  S. and Takeiri,  Y."},
 journal = {Annual Report of National Institute for Fusion Science},
 month = {2016-03-14},
 title = {Absolute Negative Ion Density Measured with Cavity Ringdown Method in Negative-Hydrogen-Ion-Source Plasma},
 volume = {Annual Report Apr.2009 - Mar.2010},
 year = {}
}