Bücher https://www.econ.uni-bonn.de/bgse/en/bgse-media/open-book-g6984e4afb_1920.jpg/view https://www.econ.uni-bonn.de/bgse/en/bgse-media/open-book-g6984e4afb_1920.jpg/@@images/image-1200-6f7824d054f1f356aed471530a8de2da.jpeg Bücher open-book-g6984e4afb_1920.jpg image/jpeg Type image/jpeg Dimension Dimension 1920x1441 Size File size 393.6 KB Download View full-size image