1. North American Electric Reliability Council: ‘Technical Analysis of the August 14, 2003, Blackout’ (July 13, 2004)
2. Elkraft Systems: ‘Power failure in Eastern Denmark and Southern Sweden on 23 September 2003’ (Final report on the course of events, 4 November 2003)
3. UCTE: ‘Final Report of the investigation committee on the 28 September 2003 Blackout in Italy’ (April 2004)
4. OFGEM: ‘Report on support investigations into recent blackouts in London and West Midlands’ (February 2004)
5. Tamronglak, S.: ‘Analysis of power system disturbances due to relay hidden failures’, 1994, PhD, Faculty of the Virginia Polytechnic Institute and State University