@misc{Biskup_Marian_(1922–2012)_Copernicus’_1974, author={Biskup, Marian (1922–2012)}, volume={29}, editor={Heinrich, Bruno. Tr.}, editor={Institute of History of the Polish Academy of Sciences}, copyright={Rights Reserved - Free Access}, address={Wrocław}, journal={Acta Poloniae Historica}, howpublished={online}, year={1974}, publisher={Zakład Narodowy im. Ossolińskich}, language={ger}, type={Text}, title={Copernicus’ Verhältnis zum Deutschen Ritterorden}, URL={http://www.rcin.org.pl/Content/13951/PDF/WA303_30523_1974-29_APH_06_o.pdf}, keywords={Kopernik, Mikołaj (1473-1543), Poland - 16th c. - sources, Prussia 16th c. - sources, Teutonic Knights - history - 16th c. - sources, Warmia 16th c., Teutonic Order}, }