See also Fluzin, Herbach and Dillmann 2002, 'Etudes métallurgiques et thermodynamiques', in Urteaga, M. (ed.), La ferrería y los Molinos de Agorregi, II Arqueologia experimental, Arkeologia 3, Diputatión Foral de Gipuzkoa (Donostia-San Sebastián), pp. 123-160.

and Crew 2002, 'Experimental iron working at Agorregi 1994-1999',https://www.academia.edu/5181445