1. Bardram, J.E., Bossen, C.: Moving to get aHead: Local Mobility and Collaborative Work. In: Dourish, P., Fitzpatrick, G., Schmidtk, K. (eds.) Proceedings of the Fifth European Conference on Computer Supported Cooperative Work, Helsinki, Finland, pp. 355–374. Kluwer Academic Publishers, Dordrecht (2003)
2. Bdker, S., Friis Kristensen, J., Nielsen, C., Sperschneider, W.: Technology for boundaries. Submitted to the 8th European Conference on Computer Supported Cooperative Work (2003)
3. Bellotti, V., Bly, S.: Walking away from the desktop computer: Distributed collaboration and mobility in a product design team. In: Ehrlich, K., Schmandt, C. (eds.) Proceedings of ACM 1996 Conference on Computer Supported Cooperative Work, pp. 209–218. ACM Press, New York (1996)
4. Bertelsen, O., Nielsen, C.: Dynamics in wastewater treatment: A framework for understanding formal constructs in complex techincal settings. In: Bdker, S., Kyng, M., Schmidt, K. (eds.) Proceedings of the 6th European Conference on Computer Supported Cooperative Work, Copenhagen, pp. 277–290. Kluwer Academic Publisheres, Dordrecht (1999)
5. Lecture Notes in Computer Science;H.B. Christensen,2002