@misc{atsushi-a,
  title = {Ab-initio phonon calculation for Ca2Ge7O16 / P-4b2 (117) / materials id 29273},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, Ca2Ge7O16, P-4b2 (117)}
}