{"id":"001047530","type":"book","title":"Poland as an ally of the Holy Roman Empire","publisher":"Institute of Archaeology and Ethnology of the Polish Academy of Science, Warszawa","publisher-place":"Warszawa","pages":"409-426","container-title":"Europe around the year 1000","author":[{"family":"PleszczyƄski","given":"Andrzej"}],"issued":{"raw":"2001"}}