@misc{atsushi-a,
  title = {Ab-initio phonon calculation for NaGe2(PO4)3 / R-3 (148) / materials id 542919},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, NaGe2(PO4)3, R-3 (148)}
}