@article{EbelingMolgedeyKurthsetal.2002,
  author    = {Werner Ebeling and Lutz Molgedey and J{\"u}rgen Kurths and Udo Schwarz},
  title     = {Entropy, complexity, predictability, and data analysis of time series and letter sequences},
  url       = {http://www.pik-potsdam.de/~kropp/myown/book.html},
  year      = {2002},
}