Archive

University of Wuppertal

Nuremberg Institute of Technology Technische Hochschule Nürnberg

Munich University of Technology

University of Wurzburg

Technical University of Braunschweig

Aachen University of Applied Sciences Fachhochschule Aachen

University of Erlangen Nuremberg

University of Siegen

Mathematical Research Institute of Oberwolfach

Bavarian State Library, Munich