@ARTICLE{Li:Cryptanalysis:PLA2005a,
  author =       {Gonzalo \'{A}lvarez and Luis Hern\'{a}ndez and Jaime Mu\~{n}\'{o}z and Fausto Montoya and Shujun Li},
  title =        {Security analysis of communication system based on the synchronization of different order chaotic systems},
  journal =      {Physics Letters A},
  year =         {2005},
  volume =       {345},
  number =       {4-6},
  pages =        {245-250},
  doi =          {10.1016/j.physleta.2005.07.083},
  note =         {preprint available online at \url{http://www.hooklee.com/pub.html}},
}