Soloviev, D. S. and Kotenkov , S.A. 2022. Early Medieval Pithos-Jugs Discovered in the Volga Delta. Arkheologiia Evraziiskikh Stepei (Archaeology of the Eurasian Steppes). 3 (Jun. 2022), 304–313. DOI:https://doi.org/10.24852/2587-6112.2022.3.304.313.