@misc{atsushi-a,
  title = {Ab-initio phonon calculation for Hf3N2O3 / Cmcm (63) / materials id 760007},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, Hf3N2O3, Cmcm (63)}
}