Animated conversation: rule-based generation of facial expression, gesture & spoken intonation for multiple conversational agents. - Justine Cassell; Catherine Pelachaud; Norman I. Badler; Mark Steedman; Brett Achorn; Tripp Becket; Brett Douville; Scott Prevost; Matthew Stone (SIGGRAPH, 1994)

Task-Level Object Grasping for Simulated Agents. - Brett Douville; Libby Levison; Norman I. Badler (Presence Teleoperators Virtual Environ., 1996)