@book{nooy2005pajek,
  address = {New York, NY, USA},
  asin = {0521602629},
  author = {de Nooy, Wouter and Mrvar, Andrej and Batagelj, Vladimir},
  dewey = {300.285},
  ean = {9780521602624},
  interhash = {deb32e4829c9c2b16857a7ced06b89eb},
  intrahash = {114a68aea38d947757b10531d599e6b8},
  isbn = {0521602629},
  number = 27,
  publisher = {Cambridge University Press},
  series = {Structural Analysis in the Social Sciences},
  title = {Exploratory Social Network Analysis with Pajek},
  url = {http://www.amazon.com/Exploratory-Network-Analysis-Structural-Sciences/dp/0521602629%3FSubscriptionId%3D192BW6DQ43CK9FN0ZGG2%26tag%3Dws%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3D0521602629},
  year = 2005
}

@incollection{ellson2004graphviz,
  abstract = {Graphviz is a heterogeneous collection of graph drawing tools containing batch layout programs (dot, neato, fdp, twopi); a platform for incremental layout (dynagraph); customizable graph editors (dotty, grappa); a server for including graphs in Web pages (webDOT); support for graphs as COM objects (montage); utility programs useful in graph visualization; and libraries for attributed graphs. The software is available under an Open Source license. },
  address = {Berlin/Heidelberg},
  author = {Ellson, J. and Gansner, E.R. and Koutsofios, E. and North, S.C. and Woodhull, G.},
  booktitle = {Graph Drawing Software},
  editor = {Junger, M. and Mutzel, P.},
  interhash = {372cd1df895ac16ee3516c02872ebc0a},
  intrahash = {643de6e04aab3aa0c2ec42c348ab1f38},
  isbn = {3-540-00881-0},
  pages = {127--148},
  publisher = {Springer-Verlag},
  series = {Mathematics and Visualization},
  title = {Graphviz and Dynagraph -- Static and Dynamic Graph Drawing Tools},
  url = {http://www.springer.com/math/cse/book/978-3-540-00881-1},
  year = 2004
}