<sect1><title>References</title>

<para>
Aho, A. V, Sethi, R., Ullman, J.D. 1986, <emphasis>Compilers: Principles, Techniques, and Tools</emphasis>, Addison-Wesley Publishing, Massachusetts.
</para>

<para>
Chapman, M 2002, <emphasis>Window managers for X</emphasis> [Online] Available: http://www.plig.org/xwinman/cde.html
</para>

<para>
Connolly, T., Begg, C. 1998, <emphasis>Database Systems: A practical approace to design, implementation, and management</emphasis>, Addison-Wesley Publishing, Massachusetts.
</para>

<para>
Gnome 2002 <emphasis>Gnome: Computing made easy</emphasis> [Online] Available: http://www.gnome.org
</para>

<para>
GTK 2002 <emphasis>GTK+ FAQ</emphasis> [Online] Available: http://www.gtk.org/faq/
</para>

<para>
KDE 2002, <emphasis>KDE Home Page</emphasis> [Online] Available: http://www.kde.org
</para>

<para>
Levine, J.R., Mason, T., Brown, D 1990, <emphasis>lex &amp; yacc</emphasis>, O'Reilly, Farnham.
</para>

<para>
Microsoft 2002 <emphasis>Windows XP screenshot</emphasis> [Online] Available: http://www.microsoft.com/presspass/newsroom/winxp/images/img016.jpg
</para>

<para>
Sun Microsystems 2002, <emphasis>GNOME 2.0 Desktop for the <trademark>Solaris</trademark> Operating Environment </emphasis> [Online] Available: http://wwws.sun.com/software/star/gnome/
</para>

<para>
Trolltech 2002, <emphasis>Trolltech Home Page</emphasis> [Online] Available: http://www.trolltech.com
</para>

<para>
<emphasis>A reference</emphasis>
</para>

</sect1>
