proc. of the XVIIth Sci. Meeting of the Neurootological and Equilibriometric Soc.: vertigo, nausea, tinnitus, and hypoacusia due to head and neck trauma, Bad Kissingen, 22-25 March 1990
(1991)
proc.of the XVth Sci. Meeting of the Neurootological and Equilibriometric Soc.vertigo, nausea, tinnitus, and hypoacusia in metabolic disorders, Bad Kissingen, 17-20 March 1988
(1988)
proc.of the XIIIth Sci.Meeting of the Neurootological and Equilibriometric Soc., vertigo in cardio-vascular diseases, Bad Kissingen, 21-23 March 1986
(1986)