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. 2015 Dec 21;10(12):e0145101. doi: 10.1371/journal.pone.0145101

Fig 8. 1, 2, 9, 10: unifacial unidirectional cores (1–2: OBS; 9–10: MFL); 3–7: flakes with unidirectional negative scars on the dorsal face (OBS); 8: bifacial partial core (MFL); 11: peripheral unidirectional core (OBS).

Fig 8

Photos and technological schemes by R. Gallotti. MFL: Melka Fault lava, OBS: obsidian.