Coherent Gestures, Locomotion, and Speech in Life-like Pedagogical Agents. - Stuart G. Towns; Jennifer L. Voerman; Charles B. Callaway; James C. Lester (IUI, 1998)

Deictic Believability: Coordinated Gesture, Locomotion, and Speech in Lifelike Pedagogical Agents. - James C. Lester; Jennifer L. Voerman; Stuart G. Towns; Charles B. Callaway (Appl. Artif. Intell., 1999)