Xavier, Pedro, and Carlos Alves. “Non-Destructive Studies of Prehistoric Lithic Material Culture in the Search for Sources of Geologic Raw Materials: An Overview of Techniques and Issues”. Cadernos Do Laboratorio Xeolóxico De Laxe. Revista De Xeoloxía Galega E Do Hercínico Peninsular, vol. 41, Dec. 2019, pp. 123-39, doi:10.17979/cadlaxe.2019.41.1.5820.