@misc{atsushi-a,
  title = {Ab-initio phonon calculation for NaPrTiNbO6F / P4_122 (91) / materials id 42897},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, NaPrTiNbO6F, P4_122 (91)}
}