@article{CTT100846867,
  author = {KAGRA Collaboration and Kentaro Somiya},
  title = {Cryogenic suspension design for a kilometer-scale gravitational-wave detector},
  journal = {Classic. Quantum Grav.},
  year = 2021,
}

@article{CTT100846868,
  author = {KAGRA Collaboration and Kentaro Somiya},
  title = {Vibration isolation systems for the beam splitter and signal recycling mirrors of the KAGRA gravitational wave detector},
  journal = {Classic. Quantum Grav.},
  year = 2021,
}