TY JOUR TI Pleistocene walrus on the Pechora River: mineralogical and geochemical data and paleoecological reconstructions KW walrus KW the Pechora River KW tusk KW mineralogical-geochemical and isotope-geochemical properties JO Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences AU Silaev, V.I. AU Smoleva, I.V. AU Filippov, V.N. AU Shanina, S.N. AU Hazov, A.F. AU Makeev, B.A. AU Kiseleva, D.V. AU Fokina, A.K. AU Yogan van der, P.. PY 2023 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"