<?xml version="1.0"?>
<dblp>
<article key="journals/is/Grant84" mdate="2003-11-27">
<author>John Grant</author>
<title>Constraint preserving and lossless database transformations.</title>
<pages>139-146</pages>
<year>1984</year>
<volume>9</volume>
<journal>Inf. Syst.</journal>
<number>2</number>
<url>db/journals/is/is9.html#Grant84</url>
</article>
</dblp>
