@misc{Gediga_Bogusław_(1933–_)_Konstrukcje_1973, author={Gediga, Bogusław (1933– )}, volume={18}, number={2}, editor={Heinrich, Brunon. Translator}, copyright={Rights Reserved - Restricted Access}, address={Warszawa ;}, address={Wrocław}, journal={Archeologia Polski}, howpublished={online}, year={1973}, publisher={Zakład Narodowy im. Ossolińskich}, language={pol}, language={ger}, type={Text}, title={Konstrukcje obronne wczesnośredniowiecznego grodu-miasta na Ostrówku w Opolu}, keywords={early Middle Ages -- Poland, Ostrówek (Opole, Poland), early medieval strongholds -- Poland, early medieval fortifications, early medieval wood and earth ramparts, early medieval construction of ramparts, Opole, opolskie voivodeship (Poland)}, }