PickT. S.DellR.Review of British Underground Railway Practice. Paper No. 983. Convention on Electric Railway Traction, 1950. (Institution of Electrical Engineers.).
2.
Ministry of Transport and Civil Aviation.Requirements for Passenger Lines and Recommendations for Goods Lines of the Minister of Transport and Civil Aviation in regard to Railway Construction and Operation.
3.
ArthurtonR. I. D.Auxiliary Services on Electric Rolling Stock. February 1964. Journal Inst. Locomotive Engrs., Vol. 54 (1964–65), No. 297.
4.
British Standard 3360: 1961—Copper Conductors in Insulated Cables and Cords.
5.
British Standard 2899: 1961—Rubber Insulation and Sheath of Electric Cable (Part 3—Butyl rubber insulation and sheath).
6.
British Standard 2618: 1955—D.C. Control Equipment for Electric Traction.
7.
British Standard 731 (Part 1): 1952—Flexible Steel Conduit and Adaptors for the Protection of Cable.
8.
CatlingD. T.Principles and Practice of Train Performance Applied to London Transport's Victoria Line. Paper No. 8. Convention on Guided Land Transport, 1966. (Institution of Mechanical Engineers).