IEE Colloquium on 'Driver Information', 1 Dec. 1988, London, UK
Colloquium on vehicle route guidance, navigation and location systems, London, GB, 11 February 1987
Technology vectors. 29th national SAMPE symposium and exhibition
AGARD conf. proc. No. 330. Software f. avionics, The Hague - Kijkduin, NL, Sept. 6-10, 1982
Reliability '81 3. nat. Zuverlaessigkeitskonf., Vol. 1, 29.April - 1. Mai 1981, Birmingham, GB
Proc. Techniques and applications of image understanding, April 21-23, 1981, Washington, USA
Proc. 2nd Int. Conf. on Software Engng., San Francisco, Calif. 13.-15.-10.76