@article{TimmerSchwarzVossetal.2000,
  author    = {Jens Timmer and Udo Schwarz and Henning U. Voss and Ingo Wardinski and Tomaso Belloni and G{\"u}nther Hasinger and Michael VanDerKlis and J{\"u}rgen Kurths},
  title     = {Linear and Nonlinear Time Series Analysis of the Black Hole Candidate Cygnus X-1},
  url       = {http://pre.aps.org/},
  year      = {2000},
}