<?xml version="1.0"?>
<dblp>
<article key="journals/tcs/DoberkatO04" mdate="2004-02-03">
<author>Ernst-Erich Doberkat</author>
<author>Eugenio G. Omodeo</author>
<title>ER modelling from first relational principles.</title>
<pages>285-323</pages>
<year>2004</year>
<volume>311</volume>
<journal>Theor. Comput. Sci.</journal>
<number>1-3</number>
<ee>http://dx.doi.org/10.1016/j.tcs.2003.09.001</ee>
<url>db/journals/tcs/tcs311.html#DoberkatO04</url>
</article>
</dblp>
