Bobrova, A.I., E. V. Barsukov, and A. A. Tishkin. 2018. “DETERMINATION OF THE COMPOSITION OF THE METAL OF THE SHIELDED SIGNET RINGS FROM THE FUNERAL COMPLEXES OF THE 17th – 18th CENTURIES OF THE TOMSK-NARYMSK OB RIVER AREA”. THEORY AND PRACTICE OF ARCHAEOLOGICAL RESEARCH 24 (4), 55-63. https://doi.org/10.14258/tpai(2018)4(24).-05.