@misc{atsushi-a,
  title = {Ab-initio phonon calculation for K2Sn2O3 / R-3m (166) / materials id 7502},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, K2Sn2O3, R-3m (166)}
}