<?xml version="1.0"?>
<dblp>
<article key="journals/japll/BoellaT08" mdate="2008-08-21">
<author>Guido Boella</author>
<author>Leendert van der Torre</author>
<title>Substantive and procedural norms in normative multiagent systems.</title>
<pages>152-171</pages>
<year>2008</year>
<volume>6</volume>
<journal>J. Applied Logic</journal>
<number>2</number>
<ee>http://dx.doi.org/10.1016/j.jal.2007.06.006</ee>
<url>db/journals/japll/japll6.html#BoellaT08</url>
</article>
</dblp>
