Neutron activation analysis of Predynastic to Early Dynastic pottery from Minshat Abu Omar, Hemamieh, and Armant, in: Hendrickx, Stan; Friedman, Renée; Ciałowicz, Krzysztof M.; Chłodnicki, Marek (eds), Egypt at its origins: studies in memory of Barbara Adams; proceedings of the International Conference "Origin of the State. Predynastic and Early Dynastic Egypt", Kraków, 28th August–1st September 2002. Orientalia Lovaniensia Analecta 138. Leuven
, 637–663, retrieved 02.02.2021