@article{OPUS4-22694,
  title     = {FCC-ee: The Lepton Collider: Future Circular Collider Conceptual Design Report Volume 2},
  journal   = {European Physical Journal - Special Topics},
  volume    = {228},
  number    = {2},
  doi       = {10.1140/epjst/e2019-900045-4},
  year      = {2019},
}