<?xml version="1.0"?>
<dblp>
<inproceedings key="conf/apsec/MartinS03" mdate="2004-07-16">
<author>Andrew Martin</author>
<author>Andrew Simpson</author>
<title>Generalising the Z Schema Calculus: Database Schemas and Beyond.</title>
<pages>28-37</pages>
<year>2003</year>
<crossref>conf/apsec/2003</crossref>
<booktitle>APSEC</booktitle>
<ee>http://csdl.computer.org/comp/proceedings/apsec/2003/2011/00/20110028abs.htm</ee>
<url>db/conf/apsec/apsec2003.html#MartinS03</url>
</inproceedings>
</dblp>
