puits (1) temps (durée) (1) spectacle (1) science (1) province (1) protocole (1) minerai (1) méthodologie (1) métal (1) lumière (1) plomb (1) isotope (1) fer (1) analyse (1) cuivre (1) point (1) chimie (1) Context (1) Chemical warfare (1) Composition (1) Methodology (1) Antiquities, Prehistoric (1) Values (1) Time (1) Technical reports (1) Stocks (1) Standards (1) Science (1) Ores (1) Methodology (1)