Liesen, Bernd. “Lowlands Ware 1 Containers from Xanten Colonia Ulpia Traiana”. Rei Cretariae Romanae Fautorum Acta 44 (January 1, 2017): 389–396. Accessed October 11, 2025. https://archaeopresspublishing.com/ojs/index.php/RCRF/article/view/2053.