1. Obreiter, P., König-Ries, B., Klein, M.: Stimulating cooperative behavior of autonomous devices - an analysis of requirements and existing approaches. In: Second International Workshop on Wireless Information Systems (WIS 2003), pp. 71–82 (2003)
2. Davies, R.: A History of Money from Ancient Times to the Present Day, 3rd edn. University of Wales Press (2002)
3. Anders, R., Obreiter, P.: Economic incentive patterns and their application to ad hoc networks. Technical Report 2003-17, Universität Karlsruhe, Faculty of Informatics (2003) (to appear)
4. Obreiter, P., Nimis, J.: A taxonomy of incentive patterns - the design space of incentives for cooperation. Technical Report 2003-9, Universität Karlsruhe, Faculty of Informatics (2003)
5. Obreiter, P., Klein, M.: Vertical integration of incentives for cooperation - interlayer collaboration as a prerequisite for effectively stimulating cooperation in ad hoc networks. In: Second Mediterranean Workshop on Ad-Hoc Networks (MEDHOC NET 2003), Mahdia, Tunisia (2003)