@article{FresardLaschingerKoppetal.2004,
  author    = {Raymond Fr{\´e}sard and Christian Laschinger and Thilo Kopp and Volker Eyert},
  title     = {Origin of magnetic interactions in Ca3Co2O6},
  journal   = {Physical Review B},
  volume    = {69},
  number    = {14},
  pages     = {140405(R)},
  doi       = {10.1103/PhysRevB.69.140405},
  year      = {2004},
}