TY JOUR TI Figured flints of the Kokpomyag burial ground of the Vym culture KW figured flint KW pommel KW iron KW steel KW copper KW bimetallic KW composite material KW metallography KW burial KW Vym culture KW Vychegda Perm JO Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences AU Savel'eva, E.A. AU Smertin, A.R. PY 2025 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"