Makarova, A. S., Kaplan, P. Y., Kotov, R. V. and Fedan, P. V. (2021) “EXPERIENCE OF THE RESTORATION OF EPIGRAPHIC MONUMENTS AND ARCHITECTURAL DETAILS FROM THE COLLECTION OF BOLGAR STATE HISTORICAL AND ARCHITECTURAL MUSEUMRESERVE”, Arkheologiia Evraziiskikh Stepei (Archaeology of the Eurasian Steppes), (6), pp. 302–307. doi: 10.24852/2587-6112.2021.6.302.307.