@misc{atsushi-a,
  title = {Ab-initio phonon calculation for KNbSi2O7 / P4bm (100) / materials id 560407},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, KNbSi2O7, P4bm (100)}
}