1. Directive 2001/12/EC of the European Parliament and of the Council of 26 February 2001 amending Council Directive 91/440/EEC on the development of the Community's railways Official, L75 of 15 March 2001, SIN 1012-9200.
2. Directive 2001/13/EC of the European Parliament and of the Council of 26 February 2001 amending Council Directive 95/18/EC on the licensing of railway undertakings, L75 of 15 March 2001, SIN 1012-9200.
3. Directive 2001/14/EC of the European Parliament and of the Council of 26 February 2001 on the allocation of railway infrastructure capacity and the levying of charges for the use of railway infrastructure and safety certification, L 75 of 15 March 2001, SIN 1012-9200.
4. Steen R. UK train derails, six dead, dozens injured. Worldwide disaster aid and information via the internet. http://www.disasterrelief.org/Disasters/020510uktrain, 2002.
5. Condition-based maintenance of railway signalling equipment, electric railway in a united europe: Railink’95;Fararooy;IEE Conf Pub,1995