<?xml version="1.0"?>
<dblp>
<article key="journals/acta/CostaSS94" mdate="2003-11-25">
<author>Jos&#233; F&#233;lix Costa</author>
<author>Am&#237;lcar Sernadas</author>
<author>Cristina Sernadas</author>
<title>Object Inheritance Beyond Subtyping.</title>
<pages>5-26</pages>
<year>1994</year>
<volume>31</volume>
<journal>Acta Inf.</journal>
<number>1</number>
<url>db/journals/acta/acta31.html#CostaSS94</url>
</article>
</dblp>
