International Conference on Main Line Railway Electrification, 25-28 Sept. 1989, York, UK
IEE Colloquium on 'UK Developments in Road Traffic Signalling', 5 May 1988, London, UK
IEE Colloquium on 'Navigation, Guidance and Control on Aerospace', 29 Nov. 1989, London, UK
IEE Colloquium on 'Light Rapid Transit On-Street', 16 May 1989, London, UK
IEE Colloquium on 'Large-Scale and Hierarchical Systems', 11 March 1988, London, UK
IEE Colloquium on 'Inertial Navigation Sensor Development', 9 Jan. 1990, London, UK
IEE Colloquium on 'Driver Information', 1 Dec. 1988, London, UK
IEE Colloquium on 'Control in the Marine Industry', 28 Jan. 1988, London, UK
IEE Colloquium on 'CAD in the Aerospace Industry', 21 April 1989, London, UK