Randall W. Hill Jr. Jonathan Gratch Stacy Marsella Jeff Rickel William R. Swartout David R. Traum Virtual Humans in the Mission Rehearsal Exercise System. 5- 2003 17 KI 4 http://www.kuenstliche-intelligenz.de/Artikel/VirtualHumansintheMissionRehearsalExerci.htm db/journals/ki/ki17.html#HillGMRST03