@misc{Büsching_Johann_Gustav_Gottlieb_(1783-1829)_Die_1821, author={Büsching, Johann Gustav Gottlieb (1783-1829)}, copyright={-}, address={Breslau}, howpublished={online}, year={1821}, publisher={Schlesische Geschichte und Alterthümer}, language={lat}, language={ger}, type={a - dokument piśmienniczy (druk)}, title={Die Urkunden des Klosters Leubus. Lfg. 1 / [von J. G. Büsching]}, keywords={Opactwo Cystersów (Lubiąż) historia źródła}, }