@misc{atsushi-a,
  title = {Ab-initio phonon calculation for Rb2Cu2SnS4 / Ibam (72) / materials id 18006},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, Rb2Cu2SnS4, Ibam (72)}
}