Gillies, Marco; Crabtree, I. Barry and Ballin, Daniel. 2006. 'Individuality and Contextual Variation of Character Behaviour for Interactive Narrative.'. In: AISB Workshop on Narrative AI and Games. UNDEFINED 2006. [Conference or Workshop Item]

Gillies, Marco; Crabtree, I. Barry and Ballin, Daniel. 2004. Customisation and Context for Expressive Behaviour in the Broadband World. BT Technology Journal, 22(2), pp. 7-17. ISSN 1358-3948 [Article]