Institution of Mechanical Engineers (Great Britain). Automobile Division & Society of Motor Manufacturers and Traders. (1992). Bus '92: The expanding role of buses towards the twenty-first century : international conference, 17-19 March 1992, Institution of Mechanical Engineers, Birdcage Walk, London. Published for IMechE by Mechanical Engineering Publications Limited.

Institution of Mechanical Engineers (Great Britain). Automobile Division and Society of Motor Manufacturers and Traders. Bus '92: The Expanding Role of Buses Towards the Twenty-first Century : International Conference, 17-19 March 1992, Institution of Mechanical Engineers, Birdcage Walk, London. London: Published for IMechE by Mechanical Engineering Publications Limited, 1992.

Institution of Mechanical Engineers (Great Britain). Automobile Division and Society of Motor Manufacturers and Traders. Bus '92: The Expanding Role of Buses Towards the Twenty-first Century : International Conference, 17-19 March 1992, Institution of Mechanical Engineers, Birdcage Walk, London. Published for IMechE by Mechanical Engineering Publications Limited, 1992.