test (1) élimination (1) protocole (1) oxygène (1) oxydation (1) morphologie (1) humidité (1) matériau (1) lignite (1) pays (1) évolution (1) environnement (1) séchage (1) dommage (1) conservation (1) chimie (1) Drying (1) Morphology (1) Development (1) Conservation (1) Chemical warfare (1) Control (1) Oxidation (1) Moisture (1) Antiquities, Prehistoric (1) Witnesses (1) Water (1) Trees, Fossil (1) Sulfur (1) Sulfides (1)