Antiquities, Prehistoric (4) Prehistoric peoples (4) fossile (2) profession (2) Characters (2) température (1) état (1) minéral (1) mesure (méthode analytique) (1) information (1) indicateur (1) chauffage (1) évolution (1) évaluation (1) comparaison (1) substance chimique (1) méthode (1) ordre (1) Preservation (1) Comparison (1) Composition (1) Fossilization (1) Temperature (1) Spectrum analysis (1) Homo erectus (1) Order (1) Measurement (1) Human beings (1) Infrared spectroscopy (1) Heating (1)