@misc{atsushi-a,
  title = {Ab-initio phonon calculation for Na2Ca(PO3)4 / P4/nbm (125) / materials id 541522},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, Na2Ca(PO3)4, P4/nbm (125)}
}