Used to record the theme or special issue title for an issue of the journal
<!ELEMENT issue-title (#PCDATA %issue-title-elements;)* >
Text, numbers, or special characters, zero or more
<article-meta> Article Metadata; <citation> Citation; <product> Product Information; <related-article> Related Article Information
...
<article-meta>
...
<title-group>
<article-title>Designing information-abundant web sites: issues and
recommendations</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name><surname>Shneiderman</surname>
<given-names>B.</given-names></name>
</contrib></contrib-group>
<pub-date><year>1997</year></pub-date>
<volume>47</volume>
<volume-id>...</volume-id>
<issue>1</issue>
<issue-id>...</issue-id>
<issue-title>World Wide Web Usability</issue-title>
<fpage>21</fpage>
<copyright-statement>...</copyright-statement>
<copyright-year>1997</copyright-year>
...
</article-meta>
...
common.ent