1. Annual Reports (2005-2007). Annual Reports of 22 Equity Stock Exchanges
2. Chlistalla, M., Schaper, T.: Deriving a holistic Performance Measurement System for the European Clearing Industry. In: Proceedings of the 14th Americas Conference in Information Systems, Toronto, Canada, August 14-17 (2008)
3. Domowitz, I., Steil, B.: Automation, Trading Costs, and the Structure of the Trading Services Industry, Brookings-Wharton Papers on Financial Services (1999)
4. Dow Jones Indexes. Dow Jones Global Exchanges Index - Factsheet (2007), http://www.djindexes.com/mdsidx/downloads/fact_info/Global_Exchg_Facts.pdf (accessed 2008-10-28)
5. EU Commission. Draft Working Document on Post-Trading (2006), http://ec.europa.eu/internal_market/financial-markets/docs/clearing/draft/draft_en.pdf (accessed 2008-10-28)