@misc{atsushi-a,
  title = {Ab-initio phonon calculation for NaCa4(BO3)3 / Ama2 (40) / materials id 554240},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, NaCa4(BO3)3, Ama2 (40)}
}