@misc{_Acta_1991,
 volume={63-64},
 editor={Institute of History of the Polish Academy of Sciences},
 copyright={Rights Reserved - Free Access},
 address={Wrocław},
 journal={Acta Poloniae Historica},
 howpublished={online},
 year={1991},
 publisher={Zakład Narodowy im. Ossolińskich},
 language={eng},
 language={fre},
 language={ger},
 type={Text},
 title={Acta Poloniae Historica. T. 63-64 (1991), Études},
 keywords={Poland - history - periodicals},
}