@misc{atsushi-a,
  title = {Ab-initio phonon calculation for BaNa2Ti2(Si2O7)2 / Ima2 (46) / materials id 561352},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, BaNa2Ti2(Si2O7)2, Ima2 (46)}
}