@article{SitzSchwarzKurthsetal.2002,
  author    = {Andre Sitz and Udo Schwarz and J{\"u}rgen Kurths and Henning U. Voss},
  title     = {Estimation of parameters and unobserved components for nonlinear systems from noisy time series},
  url       = {http://pre.aps.org/},
  year      = {2002},
}