@misc{atsushi-a,
  title = {Ab-initio phonon calculation for Rb2NbCuS4 / Fddd (70) / materials id 15221},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, Rb2NbCuS4, Fddd (70)}
}