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<title>GAP (groupoids) - References</title>
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<h3>References</h3>


<p><a id="biBAlWe" name="biBAlWe"></a></p>
<p class='BibEntry'>
[<span class='BibKey'>AW10</span>]   <b class='BibAuthor'>Alp, M. and Wensley, C. D.</b>,
 <i class='BibTitle'>Automorphisms and homotopies of groupoids and crossed modules</i>,
 <span class='BibJournal'>Applied Categorical Structures</span>,
 <em class='BibVolume'>18</em>
 (<span class='BibYear'>2010</span>),
 <span class='BibPages'>473–495</span>.
</p>


<p><a id="biBBrMoPoWe" name="biBBrMoPoWe"></a></p>
<p class='BibEntry'>
[<span class='BibKey'>BMPW02</span>]   <b class='BibAuthor'>Brown, R., Moore, E. J., Porter, T. and Wensley, C. D.</b>,
 <i class='BibTitle'>Crossed complexes, and free crossed resolutions 
         for amalgamated sums and HNN-extensions of groups</i>,
 <span class='BibJournal'>Georgian Math. J.</span>,
 <em class='BibVolume'>9</em>
 (<span class='BibYear'>2002</span>),
 <span class='BibPages'>623–644</span>.
</p>


<p><a id="biBBrTop" name="biBBrTop"></a></p>
<p class='BibEntry'>
[<span class='BibKey'>Bro88</span>]   <b class='BibAuthor'>Brown, R.</b>,
 <i class='BibTitle'>Topology: a geometric account of general topology,
         homotopy types, and the fundamental groupoid</i>,
 <span class='BibPublisher'>Ellis Horwood, Chichester</span>
 (<span class='BibYear'>1988</span>).
</p>


<p><a id="biBBrTopGpd" name="biBBrTopGpd"></a></p>
<p class='BibEntry'>
[<span class='BibKey'>Bro06</span>]   <b class='BibAuthor'>Brown, R.</b>,
 <i class='BibTitle'>Topology and groupoids</i>,
 <span class='BibPublisher'>Booksurge LLC, S.Carolina</span>
 (<span class='BibYear'>2006</span>).
</p>


<p><a id="biBAutoDoc" name="biBAutoDoc"></a></p>
<p class='BibEntry'>
[<span class='BibKey'>GH17</span>]   <b class='BibAuthor'>Gutsche, S. and Horn, M.</b>,
 <i class='BibTitle'>AutoDoc - Generate documentation from GAP source code (Version 2017.09.15)</i>
 (<span class='BibYear'>2017</span>)<br />
(<span class='BibNote'>
    GAP package, <a href="https://github.com/gap-packages/AutoDoc">https://github.com/gap-packages/AutoDoc</a>
  </span>).
</p>


<p><a id="biBHiJLMS" name="biBHiJLMS"></a></p>
<p class='BibEntry'>
[<span class='BibKey'>Hig76</span>]   <b class='BibAuthor'>Higgins, P.</b>,
 <i class='BibTitle'>The fundamental groupoid of a graph of groups</i>,
 <span class='BibJournal'>J. London Math. Soc.</span>,
 <em class='BibVolume'>13</em>
 (<span class='BibYear'>1976</span>),
 <span class='BibPages'>145–149</span>.
</p>


<p><a id="biBHiGpd" name="biBHiGpd"></a></p>
<p class='BibEntry'>
[<span class='BibKey'>Hig05</span>]   <b class='BibAuthor'>Higgins, P.</b>,
 <i class='BibTitle'>Categories and groupoids</i>,
 <span class='BibPublisher'>Reprints in Theory and Applications of Categories</span>
 (<span class='BibYear'>2005</span>),
 <span class='BibPages'>1–195 pages</span><br />
(<span class='BibNote'>
    <a href="http://www.tac.mta.ca/tac/reprints/articles/7/tr7abs.html">http://www.tac.mta.ca/tac/reprints/articles/7/tr7abs.html</a>
  </span>).
</p>


<p><a id="biBGitHubPagesForGAP" name="biBGitHubPagesForGAP"></a></p>
<p class='BibEntry'>
[<span class='BibKey'>Hor17</span>]   <b class='BibAuthor'>Horn, M.</b>,
 <i class='BibTitle'>GitHubPagesForGAP - Template for easily using GitHub Pages within GAP packages (Version 0.2)</i>
 (<span class='BibYear'>2017</span>)<br />
(<span class='BibNote'>
    GAP package, <a href="https://gap-system.github.io/GitHubPagesForGAP/">https://gap-system.github.io/GitHubPagesForGAP/</a>
  </span>).
</p>


<p><a id="biBGAPDoc" name="biBGAPDoc"></a></p>
<p class='BibEntry'>
[<span class='BibKey'>LN17</span>]   <b class='BibAuthor'>Lübeck, F. and Neunhöffer, M.</b>,
 <i class='BibTitle'>GAPDoc (version 1.6)</i>,
 <span class='BibOrganization'>RWTH Aachen</span>
 (<span class='BibYear'>2017</span>)<br />
(<span class='BibNote'>
    GAP package, 
    <a href="http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc/index.html">http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc/index.html</a>
  </span>).
</p>


<p><a id="biBemma-thesis" name="biBemma-thesis"></a></p>
<p class='BibEntry'>
[<span class='BibKey'>Moo01</span>]   <b class='BibAuthor'>Moore, E. J.</b>,
 <i class='BibTitle'>Graphs of Groups: 
         Word Computations and Free Crossed Resolutions</i>,
 <span class='BibType'>Ph.D. thesis</span>,
 <span class='BibSchool'>University of Wales, Bangor</span>
 (<span class='BibYear'>2001</span>)<br />
(<span class='BibNote'>
    <a href="http://www.maths.bangor.ac.uk/research/ftp/theses/moore.ps.gz">http://www.maths.bangor.ac.uk/research/ftp/theses/moore.ps.gz</a>
  </span>).
</p>


<p><a id="biBSerre" name="biBSerre"></a></p>
<p class='BibEntry'>
[<span class='BibKey'>Ser80</span>]   <b class='BibAuthor'>Serre, J.</b>,
 <i class='BibTitle'>Trees</i>,
 <span class='BibPublisher'>Springer-Verlag, Berlin</span>
 (<span class='BibYear'>1980</span>).
</p>

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