@misc{atsushi-a,
  title = {Ab-initio phonon calculation for Na2PH11O8 / Pmn2_1 (31) / materials id 720570},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, Na2PH11O8, Pmn2_1 (31)}
}