Hassan, B. N. The Nile As the Main Traffic Artery in the Ancient Sudan. In Desert and the Nile. Prehistory of the Nile Basin and the Sahara : Papers in honour of Fred Wendorf ; Kabaciński, J., Chłodnicki, M., Kobusiewicz, M., Winiarska-Kabacińska, M., Hrsg.; Studies in African Archaeology; Propylaeum: Heidelberg, 2021; S. 469-472. https://doi.org/10.11588/propylaeum.830.c10648.