Martin Waldburger: Automated Contract Formation for Electronic Value-added Services in the Internet?The Case of Bandwidth-on-Demand Contracts in Europe; in: 37th Research Conference on Communication, Information and Internet Policy (TPRC 2009), Arlington (VA), USA, September 2009, pp 1-12. URL: http://www.csg.uzh.ch/publications/tprc-v04.pdf.