Rehren, T; Charlton, M; Chirikure, S; Humphris, J; Ige, A; Veldhuijzen, HA; (2007) Decisions set in slag: the human factor in African iron smelting. In: LaNiece, S and Hook, DR and Craddock, PT, (eds.) Metals and Mines - Studies in Archaeometallurgy. (pp. 211-218). Archetype/British Museum: London, United Kindom. Green open access