Andreas Haag Silke Goronzy Peter Schaich Jason Williams Emotion Recognition Using Bio-sensors: First Steps towards an Automatic System. 36-48 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3068&spage=36 2004 conf/ads/2004 ADS db/conf/ads/ads2004.html#HaagGSW04