1. Großindustrie: Verlorene Firmen. Issue 9 (September 2016) Authors: Kleemann, Axel Journal: Nachrichten aus der Chemie Issue: Volume 64:Issue 9(2016:Oct.) Page Start: 864 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Ullmann's pharmaceuticals. (2022) Authors: Kutscher, Bernhard; Kleemann, Axel Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗