Medical Department of the United States Army. "Chapter 38: The Advance into Germany - The Third Army". Volume VIII Field Operations Section 7: American expeditionary activities in Germany, Italy, North Russia, and Siberia. Washington: Government Printing Office. pp. 897–914. Retrieved 23 November 2024.
Sirocko, Frank (2016). "The ELSA-Vegetation-Stack: Reconstruction of Landscape Evolution Zones (LEZ) from laminated Eifel maar sediments of the last 60,000 years". Global and Planetary Change. 142: 108–135. doi:10.1016/j.gloplacha.2016.03.005.
