1. ISO 7465:2007(E). Passenger lifts and service lifts – Guide rails for lift cars and counterweights – T-type. ISO Copyright Office, Geneva, 2007, p. 16.
2. EN 1993-6: 2004. European Standard Eurocode 3: Design of Steel Structures-6. Part: Crane rails.
3. EN 81-20/50: 2014. Safety rules for the construction and installation of lifts – Lifts for the transport of persons and goods. Part 20: Passenger and goods passenger lifts. Part 50: Design rules, calculation, examination and test of lift components. 14.11.2014. Starting from the 1st of September 2017.
4. Lift Directive 95/16/EC: 1995. European Parliament and Council Directive 95/16/EC of 29 June 1995 on the approximation of the laws of the Member States relating to lifts. Official Journal of the European Communities, No L 213/1.
5. Lift Directive 2014/33/EU: 2014. Directive of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to lifts and safety components for lifts (recast). Applicable from 20 April 2016. Official Journal of the European Union L 96/251.