Karina Oertel Gösta Fischer Holger Diener Physiological Response to Games and Non-games: A Contrastive Study. 402-405 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3166&spage=402 2004 conf/iwec/2004 ICEC db/conf/iwec/icec2004.html#OertelFD04