@misc{atsushi-a,
  title = {Ab-initio phonon calculation for K7Nb(SO4)6 / R-3 (148) / materials id 17499},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, K7Nb(SO4)6, R-3 (148)}
}