<?xml version="1.0"?>
<dblp>
<inproceedings key="conf/concur/BojanczykW04" mdate="2004-09-06">
<author>Mikolaj Bojanczyk</author>
<author>Igor Walukiewicz</author>
<title>Characterizing EF and EX Tree Logics.</title>
<pages>131-145</pages>
<ee>http://springerlink.metapress.com/openurl.asp?genre=article&amp;issn=0302-9743&amp;volume=3170&amp;spage=131</ee>
<year>2004</year>
<crossref>conf/concur/2004</crossref>
<booktitle>CONCUR</booktitle>
<url>db/conf/concur/concur2004.html#BojanczykW04</url>
</inproceedings>
</dblp>
