L. von Ahn, R. Liu, и M. Blum. CHI '06: Proceedings of the SIGCHI conference on Human Factors in computing systems, стр. 55--64. New York, NY, USA, ACM, (2006)
A. Weilenmann, и P. Leuchovius. NordiCHI '04: Proceedings of the third Nordic conference on Human-computer interaction, стр. 33--42. New York, NY, USA, ACM, (2004)
E. Nordström, C. Diot, R. Gass, и P. Gunningberg. MobiEval '07: Proceedings of the 1st international workshop on System evaluation for mobile platforms, стр. 15--20. New York, NY, USA, ACM, (2007)
??sa Rudstr??m, R. C??ster, K. H????k, и M. Svensson. Proceedings of MUM (Mobile and Ubiquitious Multimedia) 2003 Workshop: Designing for ubicomp in the wild: Methods for exploring the design of mobile and ubiquitous services, Norrk??ping, (2003)
D. Carboni, S. Sanna, и P. Zanarini. MobileHCI '06: Proceedings of the 8th conference on Human-computer interaction with mobile devices and services, стр. 169--172. New York, NY, USA, ACM, (2006)