@article{GrossFeudel2006,
  author    = {Thilo Gross and Ulrike Feudel},
  title     = {Generalized models as a universal approach to the analysis of nonlinear dynamical systems},
  doi       = {10.1103/Physreve.73.016205},
  url       = {http://pre.aps.org/},
  year      = {2006},
}