For citations:

Kolobova K.A., Markin S.V., Shalagina A.V., Schnaider S.V., Krivoshapkin A.I. Basic Principles of Selecting Stone Raw Materials in Tool Production in the Industry of Chagyrskaya Peshchera. Vestnik NSU. Series: History and Philology. 2019;18(3):53-61. (In Russ.) https://doi.org/10.25205/1818-7919-2019-18-3-53-61