{"id":"001257428","type":"book","title":"Czy w Poznaniu w 1938 roku odkryto ruinę tylko jednego wału obronnego, a nie dwóch? (Was it one rampart or two discovered in Poznań in 1938?)","pages":"137-139","container-title":"Archeologia Polski, 49,1/2 (2004","author":[{"family":"Hensel","given":"Witold 1917-2008"}],"issued":{"raw":"2004"}}