@misc{atsushi-a,
  title = {Ab-initio phonon calculation for Rb9Fe2S7 / P2_13 (198) / materials id 14890},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, Rb9Fe2S7, P2_13 (198)}
}