Yémen (1) Diagnosis (1) Dating (1) Specimens (1) Fiction (1) Dialogue analysis (1) Primary commodities (1) Tools (1) Stone implements (1) Stone (1) Raw materials (1) Production (Economic theory) (1) Outdoor life (1) Neolithic period (1) Nails and spikes (1) Excavation (1) Engineering models (1) Beltways (1) Animals (1) Research (1) Technology (1) Social life and customs (1) Structure (1) Hunting (1) Clavos (1) Fauna (1) Excavación (1) Tecnología (1) Producción (1) Neolítico (1)