Elisabeth André Matthias Rehm Wolfgang Minker Dirk Bühler Endowing Spoken Language Dialogue Systems with Emotional Intelligence. 178-187 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3068&spage=178 2004 conf/ads/2004 ADS db/conf/ads/ads2004.html#AndreRMB04