@inbook{16543,
  author       = {{Dellnitz, Michael and Preis, Robert}},
  booktitle    = {{Lecture Notes in Computer Science}},
  isbn         = {{9783540405542}},
  issn         = {{0302-9743}},
  title        = {{{Congestion and Almost Invariant Sets in Dynamical Systems}}},
  doi          = {{10.1007/3-540-45084-x_8}},
  year         = {{2003}},
}