Fábregas Valcarce, R., and C. Rodríguez Rellán. “The Management of Quartz and Slate Resources in the Iberian Chalcolithic: The Case of the ‘Santuario’ at El Pedroso (Trabazos De Aliste, Zamora)”. Trabajos De Prehistoria, vol. 65, no. 1, June 2008, pp. 125-42, doi:10.3989/tp.2008.v65.i1.139.