Remesal Rodríguez, José, and Juan Manuel Bermúdez Lorenzo. “The Presence of Seals on Dressel 20 Amphorae in Londinium–Camulodunum and Mogontiacum: A Quantitative-Comparative Analysis and Its Derived Trade Dynamics”. Gerión. Revista de Historia Antigua, vol. 39, no. 1, Mar. 2021, pp. 125-47, https://doi.org/10.5209/geri.74785.