@misc{atsushi-a,
  title = {Ab-initio phonon calculation for K2Na(H2N)3 / P4_2/m (84) / materials id 866641},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, K2Na(H2N)3, P4_2/m (84)}
}