@misc{atsushi-a,
  title = {Ab-initio phonon calculation for NaSi2N3 / Cmc2_1 (36) / materials id 8973},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, NaSi2N3, Cmc2_1 (36)}
}