Vinnichek VA, Vinnichek KM, Kezina SV, Didyulin AV. A Unique Signet Ring from Verkhnesursky Medieval Settlement . АЕС [Internet]. 2022 Dec. 27 [cited 2026 Nov. 7];(6):114-8. Available from: https://www.evrazstep.ru/index.php/aes/article/view/877