Piotr J. Gmytrasiewicz Christine L. Lisetti Emotions and Personality in Agent Design and Modeling. 21-31 2001 conf/atal/2001 ATAL http://link.springer.de/link/service/series/0558/bibs/2333/23330021.htm db/conf/atal/atal2001.html#GmytrasiewiczL01