datation (4) Dating (4) Antiquities, Prehistoric (4) Prehistoric peoples (4) Evidence (4) Universe (4) Europe de l'Ouest (2) test (2) roche (2) fleuve (2) matériau (2) laboratoire (2) fer (2) chauffage (2) fossile (2) champ (2) faune (2) évolution (2) Europe (2) dispersion (2) âge (2) latitude (2) substance chimique (2) taux (2) Europe (2) Variation (2) Control (2) Area (2) Methods (2) Specimens (2)