<?xml version="1.0"?>
<dblp>
<article key="journals/apal/IhodaS89" mdate="2003-11-28">
<author>Jaime I. Ihoda</author>
<author>Saharon Shelah</author>
<title>Delta<sup>1</sup><sub>2</sub>-Sets of Reals.</title>
<pages>207-223</pages>
<year>1989</year>
<volume>42</volume>
<journal>Ann. Pure Appl. Logic</journal>
<number>3</number>
<url>db/journals/apal/apal42.html#IhodaS89</url>
</article>
</dblp>
