@misc{atsushi-a,
  title = {Ab-initio phonon calculation for NaNb(CuS2)2 / Ama2 (40) / materials id 6181},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, NaNb(CuS2)2, Ama2 (40)}
}