Used to record any time stamp that was found on a cited resource when it was examined, for resources such as databases that may use a time signature to identify different versions
This element does not represent the time when the cited resource was examined, but rather the time it was produced or distributed, or other milestone the resource creators chose to record the time.
<!ELEMENT time-stamp (#PCDATA %time-stamp-elements;) >
Text, numbers, or special characters
... <ref> <citation citation-type="commun"> <person-group person-group-type="author"> <name> <surname>Harris</surname> <given-names>Pat</given-names> </name> </person-group> <article-title>New Z39.50 resource [Internet]</article-title> <source>Message to: Karen Patrias</source> <year>1998</year> <month>02</month> <day>27</day> <time-stamp>1:18 pm</time-stamp> <access-date>cited 1998 Feb 28</access-date> [about 2 screens] </citation> </ref> ...