G. Di Fabbrizio, J. Wilpon, und T. Okken. Proceedings of the 11th International Conference on Multimodal Interfaces and the 6th Workshop on Machine Learning for Multimodal Interfaces (ICMI-MLMI '09), Cambridge, MA, USA, Seite 71-78. (2009)
A. Brown, Y. Yesilada, C. Jay, und S. Harper. Mobile Web 2.0: Developing and Delivering Services to Mobile Devices, Kapitel 4, Taylor and Francis, (2011)
S. Harper, Y. Yesilada, und M. Vigo. Proceedings of the 10th International Cross-Disciplinary Conference on Web Accessibility, Seite 10:1--10:4. New York, NY, USA, ACM, (2013)