<?xml version="1.0"?>
<dblp>
<article key="journals/jacm/AndrewsZ08" mdate="2008-12-15">
<author>Matthew Andrews</author>
<author>Lisa Zhang</author>
<title>Almost-tight hardness of directed congestion minimization.</title>
<year>2008</year>
<volume>55</volume>
<journal>J. ACM</journal>
<number>6</number>
<ee>http://doi.acm.org/10.1145/1455248.1455251</ee>
<url>db/journals/jacm/jacm55.html#AndrewsZ08</url>
</article>
</dblp>
