{"id":"000998020","type":"book","title":"Pomorze plemienne w świetle powojennych badań","publisher-place":"Pozna","pages":"115-122","container-title":"Kraje słowiańskie w wiekach średnich. Profanum i sacrum. Slavonic countries in the Middle Ages. Profanum and sacrum","author":[{"family":"Piskorski","given":"Jan M."}],"issued":{"raw":"1998"}}