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Subspheroids in the lithic assemblage of Barranco León (Spain): Recognizing the late Oldowan in Europe
Fig 13
Boxplot underlining the dual tendency of the pieces.
Group A (Tools A, C, F and G) compared to Group B (Tools B, D and E).
doi: https://doi.org/10.1371/journal.pone.0228290.g013