@misc{atsushi-a,
  title = {Ab-initio phonon calculation for Ba(Si3N4)2 / Imm2 (44) / materials id 567771},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, Ba(Si3N4)2, Imm2 (44)}
}