@misc{atsushi-a,
  title = {Ab-initio phonon calculation for Na7(Cu6S5)2 / P2/m (10) / materials id 28807},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, Na7(Cu6S5)2, P2/m (10)}
}