S. Sadi, und P. Maes. VLHCC '07: Proceedings of the IEEE Symposium on Visual Languages and Human-Centric Computing, Seite 171--174. Washington, DC, USA, IEEE Computer Society, (2007)
A. Mostafa, M. Ismail, H. Bolok, und E. Saad. Software Engineering, Artificial Intelligence, Networking, and Parallel/Distributed Computing, 2007. SNPD 2007. Eighth ACIS International Conference on, 1, Seite 694--701. (2007)