Cisneros, Miguel, Nova Barrero, Pilar Caldera, Alfredo Encuentra, Esperanza Ortiz, und Juan Á. Paz. „Semiprecious Stones and Blue Glass: An Approach to the Imitation Phenomenon in Hispania During the Roman Period“. In Sessions 2–3, Single Contributions, herausgegeben von Michael Heinzelmann und Martin Bentz, 493–505. Archaeology and Economy in the Ancient World: Proceedings of the 19th International Congress of Classical Archaeology, Cologne/Bonn 2018 53. Heidelberg: Propylaeum, 2022. Zugegriffen Mai 13, 2024. https://books.ub.uni-heidelberg.de/propylaeum/catalog/book/999/chapter/13380.