Lectures Delivered at the Royaumont Seminar, Royaumont, 25 26 June 1974
Automotive Electronics II, International Congress, Detroit, 24-28 Febr., 75
Int. Conf. on Electric Vehicle Development, London 31 May - 1 June, um 1976
Shuttle pointing of Electro-Optical experiments, Febr. 10-13, 1981; Los Angeles, USA
Proc. of SPIE, NASA-ESA spacelab systems and programs, April 23-24, 1981, Washington, USA
Transport for disabled people : disabled people and cars ; ECMT seminar, 12th - 13th April 1988
Transport policy and the environment : ECMT Ministerial Session
Sicher fahren in Europa : Referate des Symposiums 1991, 18. bis 19. März 1991 in Baden-Baden
Sicher fahren in Europa : Referate des Symposiums 1991, 18. bis 19. März 1991 in Baden-Baden