<?xml version="1.0"?>
<dblp>
<article key="journals/apal/ShelahU08" mdate="2008-10-29">
<author>Saharon Shelah</author>
<author>Alexander Usvyatsov</author>
<title>More on SOP<sub>1</sub> and SOP<sub>2</sub>.</title>
<pages>16-31</pages>
<year>2008</year>
<volume>155</volume>
<journal>Ann. Pure Appl. Logic</journal>
<number>1</number>
<ee>http://dx.doi.org/10.1016/j.apal.2008.02.003</ee>
<url>db/journals/apal/apal155.html#ShelahU08</url>
</article>
</dblp>
