Odriozola, C. P., Linares-Catela, J. A., & Hurtado-Pérez, V. M. (2013). Provenancing variscite beads: Pico Centeno (Encinasola, Spain) outcrop case study. Open Journal of Archaeometry, 1(1), e17. https://doi.org/10.4081/arc.2013.e17