<?xml version="1.0"?>
<dblp>
<article key="journals/jfp/Bird91a" mdate="2004-03-19">
<author>Richard S. Bird</author>
<title>On Removing Duplicates.</title>
<pages>235-243</pages>
<year>1991</year>
<volume>1</volume>
<journal>J. Funct. Program.</journal>
<number>2</number>
<url>db/journals/jfp/jfp1.html#Bird91a</url>
</article>
</dblp>
