@article{Okumura:2019ap,
  author = "Okumura, Yasuyuki",
  title = "{LHC upgrade and LHC-ATLAS upgrade}",
  doi = "10.22323/1.356.0002",
  journal = "PoS",
  year = 2019,
  volume = "KMI2019",
  pages = "002"
}