@misc{Institute_of_History_of_the_Polish_Academy_of_Sciences_Joniec,
 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},
 title={Joniec od 1481. Files of Zakroczym district in the Middle Ages. Files of Historico-Geographical Dictionary of Masovia in the Middle Ages},
 type={Text},
 URL={http://rcin.org.pl/Content/7866/PDF/WA303_22096_ZKR_Joniec_od_1481.pdf},
 keywords={Mazowsze (Polska ; region) - geografia [KABA], Masovia, Middle Ages, settlement, Zakroczym district},
}