<?xml version="1.0"?>
<dblp>
<article key="journals/cj/HalbertTW89" mdate="2003-11-24">
<author>Alan R. Halbert</author>
<author>Stephen Todd</author>
<author>John R. Woodwark</author>
<title>Generalizing Active Zones for Set-Theoretic Solid Models.</title>
<pages>86-89</pages>
<year>1989</year>
<volume>32</volume>
<journal>Comput. J.</journal>
<number>1</number>
<url>db/journals/cj/cj32.html#HalbertTW89</url>
</article>
</dblp>
