1. Anderson, J.G.: „Clearing the Way for Physicians’ Use of Clinical Information Systems“, Communications of the ACM, Vol. 40, No. 8, 1997, pp. 83–90.
2. Gabbott, M. and G. Hogg:Consumers and ServicesJohn Wiley&Sons, 1998.
3. Gutek, B.:The Dynamics of ServiceSan Francisco: Jossey-Bass Publishers, 1995.
4. Harrison, S., Dourish, P.: Re-Place-ing Space: The Roles of Place and Space in Collaborative SystemsProceedings CSCW’96pp. 67–76.
5. Klischewski, R., Abstrakte Bedürfnisse und konkrete Beziehungen - oder: Wie man Services (nicht) modelliertProceedings Modellierung 2000pp. 19–26.