Hans Sarv and Umair Khalid Khan, “Intermediation in Innovation Communities: The Case of Centiro,” Proceedings of the 14th International Business Information Management Association (IBIMA), ISBN: 978-0-9821489-3-8, 23- 24 June 2010, Istanbul, Turkey, p 930-940.
Peter Rittgen, “Integrating Organizations in a Supply Chain with Electronic Contracts,” Proceedings of the 6th International Business Information Management Association (IBIMA), ISBN: 978-0-9753393-5-0, 19- 21 June 2006, Bonn, Germany, p 44-51.
Peter Rittgen, “Metaphors in Co-Design,” Proceedings of the 5th International Business Information Management Association (IBIMA), ISBN: 978-0-9753393-4-3, 13- 15 December 2005, Cairo, Egypt, p 363-368.
Peter Rittgen, “A Language-Action Perspective on the Design of Information Systems,” Proceedings of the 4th International Business Information Management Association (IBIMA), ISBN: 978-0-9753393-3-6, 5- 7 July 2005, Lisbon, Portugal, p 90-97.
Peter Rittgen, “Organizational Modeling and E-Business Software,” Proceedings of the 3rd International Business Information Management Association (IBIMA), ISBN: 978-0-9753393-2-9, 14- 16 December 2004, Cozumel, Mexico.