@misc{atsushi-a,
  title = {Ab-initio phonon calculation for NaNb4Tl3P2O17 / Ama2 (40) / materials id 556062},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, NaNb4Tl3P2O17, Ama2 (40)}
}