<?xml version="1.0"?>
<dblp>
<article key="journals/apal/Piper06" mdate="2007-02-27">
<author>Greg Piper</author>
<title>Square and non-reflection in the context of P<sub>k lambda</sub>.</title>
<pages>76-97</pages>
<year>2006</year>
<volume>142</volume>
<journal>Ann. Pure Appl. Logic</journal>
<number>1-3</number>
<ee>http://dx.doi.org/10.1016/j.apal.2006.01.003</ee>
<url>db/journals/apal/apal142.html#Piper06</url>
</article>
</dblp>
