Ullrich, B., Wolf, P. and Kaufmann, G. (2021) “Geophysical prospection of iron slag heaps at Hamadab, Northern Sudan”, Historical Metallurgy, 48(1 & 2), pp. 25–33. Available at: https://www.hmsjournal.org/index.php/home/article/view/86 (Accessed: 19 October 2025).