Bolus, Michael. „The Earliest Stage of Human Stone Tool Technology: The Oldowan“. In Being Human: The Beginnings of Our Culture. Accompanying Volume to the Special Exhibition 5 May 2021 – 27 March 2022, Archäologisches Museum Frankfurt, herausgegeben von Liane Giemsch und Miriam Noël Haidle, 40–53. Heidelberg: Propylaeum, 2023. Zugegriffen November 25, 2024. https://books.ub.uni-heidelberg.de/propylaeum/catalog/book/1173/chapter/16146.