@article{NolteMeineckeZieheetal.2006,
  author    = {Guido Nolte and Frank C. Meinecke and Andreas Ziehe and Klaus-Robert M{\"u}ller},
  title     = {Identifying interactions in mixed and noisy complex systems},
  doi       = {10.1103/Physreve.73.051913},
  url       = {http://pre.aps.org/},
  year      = {2006},
}