According to the Dutch "Het Archeologisch Basisregister (ABR), versie 1.0 november 1992"[1], Swifterbant pottery is dated NEOVB (early Neolithic) to NEOMA (Early Middle Neolithic), standardized by "De Rijksdienst voor Archeologie, Cultuurlandschap en Monumenten (RACM)" as a period dated from 5300 BC to 3400 BC. نسخة محفوظة 18 مارس 2015 على موقع واي باك مشين. [وصلة مكسورة]
web.archive.org
According to the Dutch "Het Archeologisch Basisregister (ABR), versie 1.0 november 1992"[1], Swifterbant pottery is dated NEOVB (early Neolithic) to NEOMA (Early Middle Neolithic), standardized by "De Rijksdienst voor Archeologie, Cultuurlandschap en Monumenten (RACM)" as a period dated from 5300 BC to 3400 BC. نسخة محفوظة 18 مارس 2015 على موقع واي باك مشين. [وصلة مكسورة]
