@article{CTT100822500,
  author = {Nagayasu Oshima and Brian O'Rourke and Ryunosuke Kuroda and Ryouichi Suzuki and Hiromichi Watanabe and Shoji Kubota and Kazuki Tenjinbayashi and Akira Uedono and Noriyosu Hayashizaki},
  title = {Slow Positron Beam Apparatus for Surface and Subsurface Analysis of Samples in Air},
  journal = {Applied Physics Express},
  year = 2011,
}