@misc{atsushi-a,
  title = {Ab-initio phonon calculation for Li2CaTa2O7 / I4/mmm (139) / materials id 557861},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, Li2CaTa2O7, I4/mmm (139)}
}