Dr. Matthias Herdegen, University of Bonn (image) University of Bonn 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. 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.