@misc{atsushi-a,
  title = {Ab-initio phonon calculation for K2ErTi(PO4)3 / P2_13 (198) / materials id 677014},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, K2ErTi(PO4)3, P2_13 (198)}
}