{"id":"001199079","type":"book","title":"Badania struktur szczelinowych w Trzebnicy. Investigations of fissure structures in Trzebnica","pages":"29-41","container-title":"Śląskie Sprawozdania Archeologiczne, 34 (1993","author":[{"family":"Burdukiewicz","given":"Jan Michał"}],"issued":{"raw":"1993"}}