Gabriel Sebastián,Pedro G. Villanueva,Ricardo Tesoriero: Multi-touch Collaborative DUI to create Mobile Services. Springer book chapter. Distributed User Interfaces: Designing Interfaces for the Distributed Ecosystem. Human–Computer Interaction Series. ISBN: 978-1-4471-2270-8. 2011.

Link: http://link.springer.com/chapter/10.1007%2F978-1-4471-2271-5_16