<?xml version="1.0"?>
<dblp>
<article key="journals/ijmms/AllgayerHKRRS89" mdate="2003-11-25">
<author>J&#252;rgen Allgayer</author>
<author>Karin Harbusch</author>
<author>Alfred Kobsa</author>
<author>Carola Reddig</author>
<author>Norbert Reithinger</author>
<author>Dagmar Schmauks</author>
<title>XTRA: A Natural-Language Access System to Expert Systems.</title>
<pages>161-195</pages>
<year>1989</year>
<volume>31</volume>
<journal>International Journal of Man-Machine Studies</journal>
<number>2</number>
<url>db/journals/ijmms/ijmms31.html#AllgayerHKRRS89</url>
</article>
</dblp>
