Article behind paywall Tracing grog and pots to reveal neolithic Corded Ware Culture contacts in the Baltic Sea region (SEM-EDS, PIXE) by Larsson et al., J. Archaeol. Sci. (2018) 91:77-91.

Abstract (emphasis mine):

The Neolithic Corded Ware Culture (CWC) complex spread across the Baltic Sea region ca. 2900/2800–2300/2000 BCE. Whether this cultural adaptation was driven by migration or diffusion remains widely debated. To gather evidence for contact and movement in the CWC material culture, grog-tempered CWC pots from 24 archaeological sites in southern Baltoscandia (Estonia and the southern regions of Finland and Sweden) were sampled for geochemical and micro-structural analyses.

… Read the rest “Corded Ware culture contacts in the Baltic Sea region linked to immigrant potters”