âge (2) Antiquities, Prehistoric (2) Prehistoric peoples (2) Age (2) Age (2) uranium (1) état (1) physique (1) modélisation (1) chaux (1) lixiviation (1) isotope (1) gravier (1) effet (1) dose (1) décomposition (1) datation (1) chimie (1) carbonate (1) ordre (1) taux (1) calcul (1) Afrique (1) Dynamics (1) Context (1) Chemical warfare (1) Dating (1) Methods (1) Specimens (1) Cases (1)