Figure 4
From: New perspectives on Neanderthal dispersal and turnover from Stajnia Cave (Poland)

Lithic artefacts from Stajnia Cave: Layer D1—1–3) bifacial tool, 4, 5) preform of bifacial tool; 6, 7, 10) Levallois recurrent unidirectional flake, 8) fragment of bifacial tool; 11–12) scraper; 13) exhausted discoid core. Layer D2—9) Levallois recurrent centripetal flakes. Layer E1—14) discoid core.