1. E W Spannhake. Hydrodynamics of the hydraulic torque converter. SAE summer meeting 8 June 1949.
2. H F Haworth, A Lysholm. Progress in design and application of the Lysholm-Smith torque converter with special reference to development in England. Inst. Mech Eng (UK) 1935.
3. W Hahn. Voith turbo transmissions. ibid 1935.
4. H Sinclair. Some problems in the transmission of power by fluid couplings. ibid 1938.
5. N Schofield. Hydrokinetic transmission and design. Automotive Design Engineering 1966, March, April.