<?xml version="1.0"?>
<dblp>
<article key="journals/apal/BarmpaliasLS08" mdate="2009-01-21">
<author>George Barmpalias</author>
<author>Andrew E. M. Lewis</author>
<author>Frank Stephan</author>
<title><i>I</i> classes, LR degrees and Turing degrees.</title>
<pages>21-38</pages>
<year>2008</year>
<volume>156</volume>
<journal>Ann. Pure Appl. Logic</journal>
<number>1</number>
<ee>http://dx.doi.org/10.1016/j.apal.2008.06.004</ee>
<url>db/journals/apal/apal156.html#BarmpaliasLS08</url>
</article>
</dblp>
