<?xml version="1.0"?>
<dblp>
<article key="journals/appml/DressMSW09" mdate="2009-09-08">
<author>Andreas W. M. Dress</author>
<author>Vincent Moulton</author>
<author>Andreas Spillner</author>
<author>Taoyang Wu</author>
<title>Barriers in metric spaces.</title>
<pages>1150-1153</pages>
<year>2009</year>
<volume>22</volume>
<journal>Appl. Math. Lett.</journal>
<number>8</number>
<ee>http://dx.doi.org/10.1016/j.aml.2008.10.006</ee>
<url>db/journals/appml/appml22.html#DressMSW09</url>
</article>
</dblp>
