@misc{Matuszewski_Jacek_S._(1946–_)_Historyk,_1993,
 author={Matuszewski, Jacek S. (1946– )},
 volume={100},
 editor={Institute of History of the Polish Academy of Sciences},
 number={2},
 copyright={Rights Reserved - Free Access},
 journal={Kwartalnik Historyczny},
 address={Warszawa},
 howpublished={online},
 year={1993},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 title={Historyk, źródło i komputer (na marginesie księgi ziemskiej kaliskiej)},
 type={Text},
 URL={http://rcin.org.pl/Content/2075/PDF/WA303_3968_KH100-r1993-R100-nr2_Kwartalnik-Historyczny%2003%20Matuszewski.pdf},
 keywords={edition of medieval sources, Poland - Middle Ages - sources},
}