Krzyżanowska, Marta, and Mateusz Frankiewicz. “An Archaeological Experiment With Early Medieval Glass Bead Production in an Open Hearth – the Results”. Slavia Antiqua. Rocznik poświęcony starożytnościom słowiańskim, no. 56 (January 1, 2015): 109–127. Accessed July 27, 2024. https://pressto.amu.edu.pl/index.php/sla/article/view/9906.