Article in the book: "Las acuñaciones reales Visigodas" (Visigothic Royal Coinage) in Alfaro, C., Marcos, C. and Otero, P. (eds.) XIII Congreso Internacional de Numismática. Actas I (Ministerio de Cultura, Madrid: 2005), pp. 1269-1279. (Stemmed from an information poster presented at the XIII International Numismatic Congress in Madrid, Spain)