Gillies, Marco; Ballin, Daniel; Pan, Xueni and Dodgson, Neil. 2008. Semi-Autonomous Avatars: A New Direction for Expressive User Embodiment. In: Lola Cañamero and Ruth Aylett, eds. Animating Expressive Characters for Social Interaction. John Benjamins Publishing Company, pp. 235-255. ISBN 9789027252104 [Book Section]