The past societies : polish lands from the first evidence of human presence to the early middle ages. 2, 5500-2000 BC / editor Przemysław Urbańczyk ; [volume] editor Piotr Włodarczak ; [english translation Paweł Wit Zagórski, Urszula Bugaj]. - Zagórski, Paweł Wit; Bugaj, Urszula (Institute of Archaeology and Ethnology, Polish Academy of Scieces, 2017)