<?xml version="1.0"?>
<dblp>
<article key="journals/tcs/Bonner90" mdate="2003-11-19">
<author>Anthony J. Bonner</author>
<title>Hypothetical Datalog: Complexity and Expressibility.</title>
<pages>3-51</pages>
<year>1990</year>
<volume>76</volume>
<journal>Theor. Comput. Sci.</journal>
<number>1</number>
<url>db/journals/tcs/tcs76.html#Bonner90</url>
</article>
</dblp>
