I. Spondylus in Aegean, Balkan & European prehistoric contexts Álvarez-Fernández, Esteban 2011 Spondylus shells at Prehistoric Sites in the Iberian Peninsula. In Spondylus in Prehistory: New Data and Approaches - Contributions to the Archaeology of Shell Technologies (ed. F. Ifantidis & M. Nikolaidou): 13-18. Oxford: Archaeopress [British Archaeological Reports, Int. Ser. 2216].
