@misc{atsushi-a,
  title = {Ab-initio phonon calculation for Na2Ti3O7 / P2_1/m (11) / materials id 3488},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, Na2Ti3O7, P2_1/m (11)}
}