@misc{Kowalski_Mariusz_Księstwa_2013, author={Kowalski, Mariusz}, copyright={Rights Reserved - Free Access}, address={Warszawa}, journal={Prace Geograficzne - Polska Akademia Nauk}, howpublished={online}, year={2013}, publisher={IGiPZ PAN}, language={pol}, language={eng}, title={Księstwa Rzeczpospolitej : państwo magnackie jako region polityczny = Duchies of the Polish-Lithuanian commonwealth : the magnate lordship as a political region}, type={Text}, URL={http://www.rcin.org.pl/igipz/Content/31441/PDF/WA51_50854_r2013-nr238_Prace-Geogr.pdf}, keywords={aristocracy, political geography, biographies, history, duchies, Polish-Lithuanian Commonwealth, political regions, magnate lordship, Poland}, }