Bobrov, L. A., and A. K. Kushkumbaev. “OIRAT WARRIOR’S HELMET FROM THE AKMOLA REGIONAL HISTORY MUSEUM COLLECTION”. Arkheologiia Evraziiskikh Stepei (Archaeology of the Eurasian Steppes), no. 6, Dec. 2020, pp. 393-04, doi:10.24852/2587-6112.2020.6.393.404.