<?xml version="1.0"?>
<dblp>
<article key="journals/toplas/CasanovaB80" mdate="2006-04-03">
<author>Marco A. Casanova</author>
<author>Philip A. Bernstein</author>
<title>A Formal System for Reasoning about Programs Accessing a Relational Database.</title>
<pages>386-414</pages>
<year>1980</year>
<volume>2</volume>
<journal>ACM Trans. Program. Lang. Syst.</journal>
<number>3</number>
<ee>http://doi.acm.org/10.1145/357103.357111</ee>
<url>db/journals/toplas/toplas2.html#CasanovaB80</url>
</article>
</dblp>
