6BS EN 50126 Railway Applications: The Specification &Demonstration of Reliability, Availability, Maintainability and Safety [S]
7BS EN 50128 Railway Applications: Software for Railway Control and Protection Systems [S]
8BS EN 50129 Bailway Applicatons: Safety Belated Electronic Systems for Signaling [S]
9Official Journal of the European Union. Directive 2004/49/ EC of the European Parliament and of the council of 29 April 2004[S], 2004.
10Official Journal of the European Union. Directive 2009/149/ EC. Commission Directive 2009/149/EC of 27 November 2009 amending Directive 2004/49/EC of the European Parliamen'c and of the Council as regards Common Safety Indicators and common methods to calculate accident costs [S], 2009.
