Vikhlyaev , V. I., Zeleneev , A. Y., & Zeleneev , Y. A. (2023). Trans-Kama and Penza Defensive Lines of the Russian State i n the Second Half of the XVII Century. Arkheologiia Evraziiskikh Stepei (Archaeology of the Eurasian Steppes), (6), 103–110. https://doi.org/10.24852/2587-6112.2023.6.103.110