VDE-Kongress '76, Muenchen, D, 11.-14. Oktober 1976 (in Serie: VDE-Fachberichte)
Sensors in highway and civil engineering, 5. February, 1981, London, GB
Propulsion electrique applications spatiales, Journees d'Etudes, Toulouse, 21-23 juin, 1972
Oceans '77 Conf. Record, 3rd annual Combined Conf., Los Angeles, 17-19 Oct., 1977