https://scarf.scot/regional/rarfa/6-neolithic-chalcolithic-and-bronze-age-c-4000bc-800bc/6-2-neolithic/6-2-2-subsequent-developments-during-the-neolithic-period-from-c-3750-bc-to-c-2500-bc/
6.2.2 Subsequent developments during the Neolithic period, from c 3750 BC to c 3000 BC | The...
subsequent developmentsthe neolithicperiodbc