@misc{atsushi-a,
  title = {Ab-initio phonon calculation for RbNb(GeO3)3 / P-6c2 (188) / materials id 540633},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, RbNb(GeO3)3, P-6c2 (188)}
}