Keates, Simeon, Langdon, Patrick, Clarkson, P. John and Robinson, Peter (2002) User models and user physical capability. User Models and User Physical Capability, 12 (2-3). pp. 139-169. ISSN 0924-1868 (Print), 1573-1391 (Online) (doi:https://doi.org/10.1023/A:1015047002796)