@misc{atsushi-a,
  title = {Ab-initio phonon calculation for Er2Sn2O7 / Fd-3m (227) / materials id 3688},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, Er2Sn2O7, Fd-3m (227)}
}