@misc{atsushi-a,
  title = {Ab-initio phonon calculation for Na2TiGeO5 / P4/nmm (129) / materials id 6228},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, Na2TiGeO5, P4/nmm (129)}
}