Street, Martin. Plaidter Hummerich: An Early Weichselian Middle Palaeolithic Site in the Central Rhineland Germany. Monographien des RGZM 45. Heidelberg: Propylaeum, 2023. Zugegriffen November 25, 2024. https://books.ub.uni-heidelberg.de/propylaeum/catalog/book/1336.