<?xml version="1.0"?>
<dblp>
<article key="journals/arscom/BrownH02" mdate="2003-12-02">
<author>Jason I. Brown</author>
<author>Carl A. Hickman</author>
<title>On chromatic roots with negative real part.</title>
<year>2002</year>
<volume>63</volume>
<journal>Ars Comb.</journal>
<url>db/journals/arscom/arscom63.html#BrownH02</url>
</article>
</dblp>
