1. Sunset and moonshine: Variable blue and yellow pigments used by Caspar David Friedrich in different creative periods revealed by in situ XRF imaging. (7th September 2020) Authors: Alfeld, Matthias; Mösl, Kristina; Reiche, Ina Other Names: Romano Francesco Paulo guestEditor. Journal: X-ray spectrometry Issue: Volume 50:Number 4(2021) Page Start: 341 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗