<?xml version="1.0"?>
<dblp>
<article key="journals/jsyml/FortiH89" mdate="2003-11-20">
<author>Marco Forti</author>
<author>Roland Hinnion</author>
<title>The Consistency Problem for Positive Comprehension Principles.</title>
<pages>1401-1418</pages>
<year>1989</year>
<volume>54</volume>
<journal>J. Symb. Log.</journal>
<number>4</number>
<url>db/journals/jsyml/jsyml54.html#FortiH89</url>
</article>
</dblp>
