{"id":"001187173","type":"book","title":"Ze studiów nad pograniczem słowiańsko-pruskim we wczesnym średniowieczu: problem grodów w dolinie Lutryny. Prusso-Slavonic borderlands in the Early Middle Ages: a report on fortified settlements in the Lutryna River valley","pages":"29-56","container-title":"Pomorania Antiqua, 15 (1993","author":[{"family":"Grązawski","given":"Kazimierz"}],"issued":{"raw":"1993"}}