@misc{Żurowski_Kazimierz_(1909–1987)_Konstrukcje_1957, author={Żurowski, Kazimierz (1909–1987)}, volume={1}, copyright={Rights Reserved - Restricted Access}, address={Warszawa ;}, address={Wrocław}, journal={Archeologia Polski}, howpublished={online}, year={1957}, publisher={Zakład Narodowy im. Ossolińskich}, language={pol}, language={eng}, language={rus}, type={Text}, title={Konstrukcje obronne wczesnośredniowiecznego Gniezna}, keywords={early Middle Ages -- Poland, early medieval strongholds -- Poland, history of archaeological research, early medieval defenses, early medieval walls, Gniezno, wielkopolskie voivodeship (Poland)}, }