\begin{thebibliography}{Koh07}

\bibitem[Koh07]{RCWA}
S.~Kohl.
\newblock {\em {RCWA - Residue-Class-Wise Affine Groups (Version 2.5)}}, 2007.
\newblock GAP package, \href {http://www.gap-system.org/Packages/rcwa.html}
  {\texttt{http://www.gap-system.org/}\discretionary
  {}{}{}\texttt{Packages/}\discretionary {}{}{}\texttt{rcwa.html}}.

\bibitem[LN07]{GAPDoc}
F.~L{\"u}beck and M.~Neunh{\"o}ffer.
\newblock {\em {GAPDoc (Version 1.0)}}.
\newblock RWTH Aachen, 2007.
\newblock GAP package, \href {http://www.gap-system.org/Packages/gapdoc.html}
  {\texttt{http://www.gap-system.org/}\discretionary
  {}{}{}\texttt{Packages/}\discretionary {}{}{}\texttt{gapdoc.html}}.

\end{thebibliography}
