One item in a bibliographic list, i.e., a citation describing a referenced work
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<article> ... <back><ack>...</ack> <ref-list> <ref id="B1"> <nlm-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> <comment>[about 2 screens]</comment> </nlm-citation> </ref> <ref id="B2"> ... </ref> ... </ref-list> </back> </article>
references.ent