Dr. Matthias Herdegen, University of Bonn (image) University of Bonn Share Print E-Mail Caption This shows the Director Institute of Public Law and Institute of International Law of the university bonn, with his Book "Principles of International Economic Law". Credit (c) Foto: Volker Lannert/Uni Bonn Usage Restrictions The photo may be used only with the press release. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.