@misc{Institute_of_History_of_the_Polish_Academy_of_Sciences_Gierwaty.,
 author={Institute of History of the Polish Academy of Sciences},
 copyright={Rights Reserved - Free Access},
 journal={Files of the Historico-Geografical Dictionary of Masovia in the Middle Ages},
 howpublished={online},
 language={lat ; pol},
 type={Text},
 title={Gierwaty. Files of Rozan district in the Middle Ages. Files of Historico-Geographical Dictionary of Masovia in the Middle Ages},
 URL={http://www.rcin.org.pl/Content/160128/PDF/WA303_170724_ROZ_Gierwaty.pdf},
 keywords={Masovia (Poland ; region) - geography [KABA], Masovia, Middle Ages, settlement, Rozan district},
}