1. The Rt Hon Lord Cullen (PC), The Ladbroke Grove Rail Inquiry, Health and Safety Executive, London (2001).
2. London Underground. “Integration of Human Factors into Systems Development”. Category 1 Standard, S1217, Issue A2. (May 2013).
3. Network Rail . “Engineering assurance arrangements for Ergonomics within design and development projects”. Level 2, NR/L2/ERG/24020, Issue 3. (March 2012).
4. European Railway Agency. www.era.europa.eu.
5. Union Internationale Des Chemins de Fer (UIC), code 651, Layout of driver's cabs in locomotives, railcars, multiple unit trains and driving trailers, fourth ed., (2002).