Propulsion electrique applications spatiales, Journees d'Etudes, Toulouse, 21-23 juin, 1972
Colloquium on scene matching in multi-site sensors, March 15, 1984
Ballistische Messtechnik, Lehrgang WB6, Weil am Rhein, 10.-14. Nov., 1975
Oceans '77 Conf. Record, 3rd annual Combined Conf., Los Angeles, 17-19 Oct., 1977
Sensors in highway and civil engineering, 5. February, 1981, London, GB
1978 ultrasonics sympos. proc. Cherry Hill, New Jersey, Sept. 25-27, 1978
VDE-Kongress '76, Muenchen, D, 11.-14. Oktober 1976 (in Serie: VDE-Fachberichte)