Model Description

The following, in order:

• Optionally any one of:
  • The following, in order:
    • <day> Day, zero or one
    • <month> Month, zero or one
  • <season> Season
• <year> Year

...
<ref>
<element-citation publication-type="journal" publication-format="print">
<person-group>
<name><surname>Fishbone</surname>
<given-names>B</given-names></name>
</person-group>
<article-title>Capturing Cosmological &ldquo;Winks&rdquo;</article-title>
<source>Raptor Science</source>
<date><season>Winter</season>
<year>2003</year></date> 
<volume>55</volume>
<fpage>35</fpage>
<lpage>47</lpage>
</element-citation>
</ref>
...