<?xml version="1.0"?>
<!DOCTYPE para PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<para>
For a complete methodology for DTD creation, see
<citetitle pubwork="book">Developing SGML DTDs: From Text to Model
to Markup</citetitle> by Eve Maler and Jeanne El Andaloussi.
</para>
