D. Chan, R. Luk, H. Leong, и E. Ho. Proceedings of the Symposium on Human Interface 2009 on Human Interface and the Management of Information. Information and Interaction. Part II: Held as part of HCI International 2009, стр. 365–374. Berlin, Heidelberg, Springer-Verlag, (2009)
G. Schmiedl, M. Seidl, и K. Temper. Proceedings of the 11th International Conference on Human-Computer Interaction with Mobile Devices and Services, стр. 1--2. Bonn, Germany, ACM, (2009)
A. Tsiaousis, и G. Giaglis. Mobile Business / Global Mobility Roundtable, International Conference on, 0, стр. 161--167. Los Alamitos, CA, USA, IEEE Computer Society, (2010)