<?xml version="1.0"?>
<dblp>
<article key="journals/toplas/Burton90" mdate="2006-04-03">
<author>F. Warren Burton</author>
<title>Type Extension Through Polymorphism.</title>
<pages>135-138</pages>
<year>1990</year>
<volume>12</volume>
<journal>ACM Trans. Program. Lang. Syst.</journal>
<number>1</number>
<ee>http://doi.acm.org/10.1145/77606.214515</ee>
<url>db/journals/toplas/toplas12.html#Burton90</url>
</article>
</dblp>
