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. 2023 Sep 5;6(1):27. doi: 10.1007/s41982-023-00154-y

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Fig. 7 — Layer I1: cores. 1 Unifacial core on nodule of flysch. 2 Bifacial core on nodule of flysch. 3 Bifacial core on nodule of flysch. 4 Semitournant core on nodule of flysch