@incollection{polymakeframework,
  author =       "Ewgenij Gawrilow and Michael Joswig",
  title =        {polymake: a Framework for Analyzing Convex Polytopes},
  pages =        {43-74},
  editor =       {Gil Kalai and G\"unter M. Ziegler},
  booktitle =    {Polytopes --- Combinatorics and Computation},
  publisher =    {Birkh\"auser},
  year =         {2000}
}

@unpublished{math.CO/0507273,
  author = "Ewgenij Gawrilow and Michael Joswig",
  title = {Geometric reasoning with polymake},
  note = {\url{arXiv:math.CO/0507273}},
  year = 2005
}

@Misc{polymake,
  author = 	 "Ewgenij Gawrilow and Michael Joswig",
  title = 	 {polymake},
  howpublished = {\URL{http://www.math.tu-berlin.de/polymake/}}
}