For citations:
Lychagina E.L., Mitroshin E.N., Poplevko G.N. Comparative Characteristics of Stone Tools from the Neolithic Sites on the Upper and Middle Kama. Archaeology, Ethnology & Anthropology of Eurasia. 2017;45(4):24-33. https://doi.org/10.17746/1563-0110.2017.45.4.024-033