A. Dattolo, F. Ferrara, und C. Tasso. Proc. of the 3rd International Conference on Human System Interaction - HSI'2010, Seite 548-555. Rzeszow, Poland, IEEE press, (Mai 2010)
J. Polakovic, S. Mazare, J. Stefani, und P. David. Proceedings of 10th International Symposium on Component-Based Software Engineering, Volume 4608/2007 von Lecture Notes in Computer Science, Medford, MA, USA, Springer Verlag, (Juli 2007)