<?xml version="1.0"?>
<dblp>
<article key="journals/eccc/WeisI07" mdate="2009-02-13">
<author>Philipp Weis</author>
<author>Neil Immerman</author>
<title>Structure Theorem and Strict Alternation Hierarchy for FO^2 on Words.</title>
<year>2007</year>
<volume>14</volume>
<journal>Electronic Colloquium on Computational Complexity (ECCC)</journal>
<ee>http://eccc.hpi-web.de/eccc-reports/2007/TR07-008/index.html</ee>
<number>008</number>
<url>db/journals/eccc/eccc14.html#WeisI07</url>
</article>
</dblp>
