Birgit Sonntag https://www.mathematics.uni-bonn.de/hcm/pictures/birgit-sonntag.jpg/view https://www.mathematics.uni-bonn.de/hcm/pictures/birgit-sonntag.jpg/@@images/image-1200-ae032e73f1d5c637e7ac7c8cc691ff9f.jpeg Birgit Sonntag Birgit Sonntag.jpg image/jpeg Type image/jpeg Dimension Dimension 3000x2440 Size File size 1.3 MB Download View full-size image
