\begin{thebibliography}{6}
\providecommand{\natexlab}[1]{#1}
\providecommand{\url}[1]{\texttt{#1}}
\expandafter\ifx\csname urlstyle\endcsname\relax
  \providecommand{\doi}[1]{doi: #1}\else
  \providecommand{\doi}{doi: \begingroup \urlstyle{rm}\Url}\fi

\bibitem[Adams(1979)]{HHG2TG}
Douglas Adams.
\newblock \emph{The Hitchhiker's Guide to the Galaxy}.
\newblock Pan Books, UK, 1979.

\bibitem[Community(2007)]{COOKIE}
Wikipedia Community.
\newblock Cookie.
\newblock Wikipedia, 2007.
\newblock URL \url{http://en.wikipedia.org/wiki/Cookie}.

\bibitem[Head et~al.(2006)Head, Govindaraju, van Engelen, and Zhang]{1188581}
Michael~R. Head, Madhusudhan Govindaraju, Robert van Engelen, and Wei Zhang.
\newblock Grid scheduling and protocols---benchmarking xml processors for
  applications in grid web services.
\newblock In \emph{SC '06: Proceedings of the 2006 ACM/IEEE conference on
  Supercomputing}, page 121, New York, NY, USA, 2006. ACM Press.
\newblock ISBN 0-7695-2700-0.
\newblock \doi{http://doi.acm.org/10.1145/1188455.1188581}.

\bibitem[Kaufmann and Wagner(2001)]{Kaufmann}
Michael Kaufmann and Dorothea Wagner.
\newblock \emph{Drawing Graphs: Methods and Models}.
\newblock Springer, Berlin, 2001.

\bibitem[Purchase et~al.(1997)Purchase, Cohen, and James]{Purchase}
Helen~C. Purchase, Robert~F. Cohen, and Murray~I. James.
\newblock An {E}xperimental {S}tudy of the {B}asis for {G}raph {D}rawing
  {A}lgorithms.
\newblock \emph{Journal of Experimental Algorithmics}, 2\penalty0 (4), 1997.

\bibitem[Purchase et~al.(1999)Purchase, Cohen, and James]{Purchase2}
Helen~C. Purchase, Robert~F. Cohen, and Murray~I. James.
\newblock Silly putty experiments.
\newblock \emph{Journal of Experimental Putty}, 2\penalty0 (4), 1999.

\end{thebibliography}
