Raw materials and po[s]sible provenance areas of the variscite green beads from some Neolithic dolmens in the Cádiz province (SW Spain)

by Domínguez-Bella, Salvador, Ramos Munoz, José
Source: 1. Slovak geological magazine 1. 1335-096X 1. Roč. 10, č. 1-2 (2004), s. 167