{"id":"001461841","type":"article","title":"Medieval historical studies and medieval archaeology about the origin of the Piast State","publisher":"Polska Akademia Nauk","publisher-place":"Wrocław","pages":"37-58","container-title":"Archaeologia Polona, 48 (2010): Special theme: Archaeology of the Slavs","author":[{"family":"Kara","given":"Michał"}],"issued":{"raw":"2015"}}