temps (durée) (1) modèle (1) plomb (1) laboratoire (1) datation (1) âge (1) charbon de bois (1) grotte (1) profession (1) Development (1) Dating (1) Antiquities, Prehistoric (1) Uncertainty (1) Time (1) Prehistoric peoples (1) Lead (1) Laboratories (1) Example (1) Charcoal (1) Carbon--Isotopes (1) Buildings (1) Beginning (1) Art, Prehistoric (1) Age (1) Opportunity (1) Age (1) Facilities (1) grotte (1) Paléolithique (1)