<?xml version="1.0"?>
<dblp>
<article key="journals/gis/EgenhoferCF94" mdate="2002-01-03">
<author>Max J. Egenhofer</author>
<author>Eliseo Clementini</author>
<author>Paolino Di Felice</author>
<title>Topological Relations Between Regions with Holes.</title>
<pages>129-142</pages>
<year>1994</year>
<volume>8</volume>
<journal>International Journal of Geographical Information Systems</journal>
<number>2</number>
<url>db/journals/gis/gis8.html#EgenhoferCF94</url>
</article>
</dblp>
