For citations:
Kolobova K.A., Kolyasnikova A.S., Chabai V.P., Chistyakov P.V., Baumann M., Markin S.V., Krivoshapkin A.I. Middle Paleolithic Bone Retouchers: Size or Proportions. Archaeology, Ethnology & Anthropology of Eurasia. 2020;48(4):14-26. https://doi.org/10.17746/1563-0110.2020.48.4.014-026