Radio program - A word from Prof. Dr. Martin Hasselmann, University of Hohenheim
The photo prints are only free of charge if a report is being written about the university.
Please use the reference: University of Hohenheim or the source mentioned below the picture
Quelle: https://detektor.fm/wp-content/uploads/2015/08/biene-flickr-col-cc-by-sa-2.0.jpg
