@misc{atsushi-a,
  title = {Ab-initio phonon calculation for Na2Ca3Al2F14 / I2_13 (199) / materials id 555730},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, Na2Ca3Al2F14, I2_13 (199)}
}