Álvarez-Fernández, E. et al. 2021. Flint & Shell: Raw Materials as Evidence of Long-distance Contacts in Cantabrian Spain during the Magdalenian. The Beef behind all Possible Pasts: The Tandem Festschrift in Honour of Elaine Turner and Martin Street. S. Gaudzinski-Windheuser and O. Jöris, eds. Propylaeum. 307–323.