Europe de l'Ouest (1) puits (1) test (1) étable (1) espèce (1) attribution (1) azote (1) site archéologique (1) matériau (1) isotope (1) datation (1) âge (1) composition chimique (1) carbone (1) Europe (1) Context (1) Case (1) Dating (1) Antiquities, Prehistoric (1) Europe, Western (1) Mitochondrial DNA (1) DNA, Fossil (1) Values (1) Ursus (1) Stable isotopes (1) Species (1) Nitrogen (1) Prehistoric peoples (1) Hypothesis (1) Grammar, Comparative and general--Case (1)