The distribution of querns and millstones of Mayen lava in the Early Middle Ages (c. 500 to 1050 AD)
S Wenzel - Deuxièmes Journées d'actualité de la recherche …, 2020 - hal.science
The millstone quarries near Mayen at the eastern wing of the Ardennes-Eifel massif supplied
large parts of the Roman north-western provinces with high-quality querns and millstones of …
large parts of the Roman north-western provinces with high-quality querns and millstones of …