http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
polish lands from the first evidence of human presence to the early middle ages
Instytut Archeologii i Etnologii (Warszawa).
Institute of Archaeology and Ethnology, Polish Academy of Scieces
editor Przemysław Urbańczyk ; [volume] editor Piotr Włodarczak ; [english translation Paweł Wit Zagórski, Urszula Bugaj].