@article{MayerPopovEvansetal.2022,
  author    = {Florian Mayer and Maxim N. Popov and Donald M. Evans and Stephan Krohns and Marco Deluca and J{\"u}rgen Spitaler},
  title     = {Improved description of the potential energy surface in BaTiO3 by anharmonic phonon coupling},
  journal   = {Physical Review B},
  volume    = {106},
  number    = {6},
  pages     = {064108},
  doi       = {10.1103/physrevb.106.064108},
  year      = {2022},
}