@article{CampbellEisert2012,
  author    = {Earl T. Campbell and Jens Eisert},
  title     = {Gaussification and entanglement distillation of continuous-variable systems a unifying picture},
  journal   = {Physical review letters},
  volume    = {108},
  number    = {2},
  doi       = {10.1103/PhysRevLett.108.020501},
  year      = {2012},
}