Kasse (1993), Periglacial environments and climate development during Early Pleistocene Tiglian stage (Beerse Glacial) in northern Belgium, Geologie en Mijnbouw 72, 107-123, Kluwer https://www.researchgate.net/profile/Cornelis_Kees_Kasse/publication/293398429_Periglacial_environments_and_climatic_development_during_the_early_Pleistocene_Tiglian_stage_Beerse_Glacial_in_northern_Belgium/links/5769487e08ae2d7145ba7cb9/Periglacial-environments-and-climatic-development-during-the-early-Pleistocene-Tiglian-stage-Beerse-Glacial-in-northern-Belgium.pdf?origin=publication_detail
German Stratigraphic Commission: Stratigraphische Tabelle von Deutschland 2016 http://www.stratigraphie.de/std/Bilder/5_2.pdf
"Milankovitch Cycles - Climatica". 2019-09-16. Archived from the original on 2019-09-16. Retrieved 2023-10-21. https://web.archive.org/web/20190916140719/http://climatica.org.uk/climate-science-information/long-term-climate-change-milankovitch-cycles
Mock, Cary (2013-03-25). Encyclopedia of Quaternary Science. Newnes. ISBN 978-0-444-53642-6. 978-0-444-53642-6
Kasse (1993), Periglacial environments and climate development during Early Pleistocene Tiglian stage (Beerse Glacial) in northern Belgium, Geologie en Mijnbouw 72, 107-123, Kluwer https://www.researchgate.net/profile/Cornelis_Kees_Kasse/publication/293398429_Periglacial_environments_and_climatic_development_during_the_early_Pleistocene_Tiglian_stage_Beerse_Glacial_in_northern_Belgium/links/5769487e08ae2d7145ba7cb9/Periglacial-environments-and-climatic-development-during-the-early-Pleistocene-Tiglian-stage-Beerse-Glacial-in-northern-Belgium.pdf?origin=publication_detail