The Dod. electron. market-forecast for the 80s; Oct. 7-9, 1980, Los Angeles, Calif., USA
1983 SITEV techn. symp., Part 1, electronics symp., Genf, CH, May 31 - June 3, 1983
1987 IEEE western conference on expert systems. Proceedings, Anaheim, USA, June 2-4, 1987
1987 IEEE/ASME joint railroad conference, Toronto, CDN, April 21-23, 1987
Schweißtechnik im Luft- und Raumfahrzeugbau. 3. Int. Tagung in Essen, D, 21.-22.09.1993