@article{Nakamura:2014nJ,
  author = "Nakamura, Tomoaki",
  title = "{System upgrade and future perspective for the operation of Tokyo Tier2 center}",
  doi = "10.22323/1.179.0003",
  journal = "PoS",
  year = 2014,
  volume = "ISGC 2013",
  pages = "003"
}