@misc{atsushi-a,
  title = {Ab-initio phonon calculation for Na4Sn3O8 / P4_132 (213) / materials id 530571},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, Na4Sn3O8, P4_132 (213)}
}