Part 1 Interaction : Chapter 4. Multimodal Interaction on Mobile Artefacts
In Dans Communicating with smart objects-developing technology for usable pervasive computing systems. 2003.
M. Zouinar, P. Salembier, L. Pasqualetti, Laurence Nigay, G. Calvet, J. Kahn, Gaëtan Rey
ISBN 1-9039-9636-8