Neural Networks Techniques for Monitoring and Control of Internal Combustion Engines. - Robert J. Howlett; M. M. de Zoysa; Simon D. Walters; Peter A. Howson (IIA/SOCO, 1999)

Effect of varying engine block temperature on spark voltage characterization for the measurement of air-fuel ratio in internal combustion engines. - M. M. de Zoysa; Robert J. Howlett; Simon D. Walters (KES, 2000)