<?xml version="1.0"?>
<dblp>
<article key="journals/cacm/ShapiraF79" mdate="2011-06-07">
<author>Ruth Shapira</author>
<author>Herbert Freeman</author>
<title>The Cyclic Order Property of Vertices as an Aid in Scene Analysis.</title>
<pages>368-375</pages>
<year>1979</year>
<volume>22</volume>
<journal>Commun. ACM</journal>
<number>6</number>
<url>db/journals/cacm/cacm22.html#ShapiraF79</url>
<ee>http://doi.acm.org/10.1145/359114.359129</ee>
</article>
</dblp>
