G. Gassmann/ A. Schäfer, Doubting radiocarbon dating from in-slag charcoal. 5000 years of iron production at Wetzlar-Dalheim? Arch. Rozhledy LXX, 2018, 309-327.
G. Gassmann/ A. Schäfer, Doubting radiocarbon dating from in-slag charcoal. 5000 years of iron production at Wetzlar-Dalheim? Arch. Rozhledy LXX, 2018, 309-327.