Prof. Dr. Peter Kratzer
Faculty of Physics University of Duisburg-Essen Lotharstr. 1 Room: MG 371 47048 Duisburg Email Phone: +49-(0)203-379-3313 Fax: +49-(0)203-379-4732
Annemarie Tappert, M.A.
Room: MG 324 Email Phone: +49-(0)203-379-4731 Fax: +49-(0)203-379-4732