Pétrequin , Pierre, and Seweryn Rzepecki. “The Adze-Heads from Plemięta, Grudziądz District (Poland): Alpine Jades, Armorican Products and Very Long-Distance Exchanges”. Sprawozdania Archeologiczne 68 (December 20, 2016): 39–63. Accessed November 22, 2024. https://journals.iaepan.pl/sa/article/view/2240.