Bennike, Ole, and Bernd Wagner. “Amino Acid Analysis of Pre-Holocene Foraminifera from Kriegers Flak in the Baltic Sea”. GEUS Bulletin 20 (July 7, 2010): 35–38. Accessed February 7, 2026. https://geusbulletin.org/index.php/geusb/article/view/4894.