TY JOUR TI The technology of blacksmith products from the Kokpomyag burial ground KW blacksmithing KW craft KW metallography KW the Middle Ages KW Vym culture KW Vychegda Perm JO Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences AU Smertin, A.R. AU Savel'eva, E.A. PY 2026 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"