A. Meschtscherjakov. Proceedings of the 11th International Conference on Human-Computer Interaction with Mobile Devices and Services, page 1--1. Bonn, Germany, ACM, (2009)
P. Hagen, T. Robertson, M. Kan, and K. Sadler. Proceedings of the 17th Australia conference on Computer-Human Interaction: Citizens Online: Considerations for Today and the Future, page 1--10. Canberra, Australia, Computer-Human Interaction Special Interest Group (CHISIG) of Australia, (2005)