T. Nestler, L. Dannecker, and A. Pursche. Service-Oriented Computing. ICSOC/ServiceWave 2009 Workshops, volume 6275 of Lecture Notes in Computer Science, Springer Berlin Heidelberg, (2010)
F. Paternò, C. Santoro, and L. Spano. Proceedings of the 12th IFIP TC 13 International Conference on Human-Computer Interaction: Part I, page 892--905. Berlin/Heidelberg, Springer-Verlag, (2009)