@misc{Hlebionek_Marcin_(1974–_)_Metalowe_2009, author={Hlebionek, Marcin (1974– )}, editor={Institute of History of the Polish Academy of Sciences}, copyright={Rights Reserved - Restricted Access}, address={Warszawa}, journal={Studia Źródłoznawcze}, howpublished={online}, year={2009}, publisher={Wydawnictwo DiG}, language={pol}, title={Metalowe pieczęcie książąt polskich z XII wieku}, type={Text}, keywords={metal seals - Poland - Middle Ages, Polish dukes - seals - Poland - 11th c., 12th c.}, }