technologie (1) pierre (1) région (1) lac (1) isotope (1) information (1) industrie (1) analyse (1) prairie (1) environnement (1) effet (1) désert (1) démographie (1) profession (1) Dispersal (1) Preservation (1) Characters (1) Implements (1) Methods (1) Antiquities, Prehistoric (1) Animal-plant relationships (1) Trees (1) Tools (1) Technology (1) Stone (1) Raw materials (1) Process (Law) (1) Poor (1) Plains (1) Persian Gulf (1)