J. Krogstie, S. Carlsen, H. Jörgensen, and G. Sindre. Proceedings of the 3rd International Conference on Action in Language,
Organisations and Information Systems (ALOIS 2005), (2005)
T. Herrmann, G. Kunau, K. Loser, and N. Menold. Proceedings of the eighth conference on Participatory design: Artful
integration: interweaving media, materials and practices-Volume 1, page 132--141. ACM Press New York, NY, USA, (2004)
G. G�nova, M. Valiente, and J. Nubiola. Proceedings of First International Workshop on Phil. Found. of Information
Systems Engineering-PHISE, 13, page 547--557. (2005)
B. Berenbach. OOPSLA '04: Companion to the 19th annual ACM SIGPLAN conference on
Object-oriented programming systems, languages, and applications, page 247--252. New York, NY, USA, ACM, (2004)