1983 SITEV techn. symp., Part 1, electronics symp., Genf, CH, May 31 - June 3, 1983
Automotive Electronics II, International Congress, Detroit, 24-28 Febr., 75
Colloquium on the impact of ASICs on equipment design, London, GB, 14 January 1987
Elektronik im Kraftfahrzeugbau. Tagung, Baden-Baden, D, 9.-10. Oktober 1986 (in Serie: VDI-Ber.)
Guidance and control technol. f. highly integrated systems, Athen, GR, October 13-16, 1981
IEE Colloquium on 'Connectors on Vehicles', 13 April 1989, London, UK