@misc{atsushi-a,
  title = {Ab-initio phonon calculation for NaNbSe2 / P6_3/mmc (194) / materials id 7939},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, NaNbSe2, P6_3/mmc (194)}
}