Volkova , E. V., and A. V. Denisov. “Iron Dagger from an Accidental Find at Nikolskoye Fortified Settlement in Ulyanovsk Region”. Arkheologiia Evraziiskikh Stepei (Archaeology of the Eurasian Steppes), no. 6, Dec. 2025, pp. 61-70, doi:10.24852/2587-6112.2025.6.61.70.