@misc{_The_1980,
 volume={42},
 editor={Institute of History of the Polish Academy of Sciences},
 copyright={Public Domain},
 address={Wrocław},
 journal={Acta Poloniae Historica},
 howpublished={online},
 year={1980},
 publisher={Zakład Narodowy im. Ossolińskich},
 language={eng},
 type={Text},
 title={The Letter of Państwowe Wydawnictwo Naukowe to the Editors of„Acta Poloniae Historica”},
 URL={http://rcin.org.pl/Content/28087/PDF/WA303_43263_1980-42_APH_14_o.pdf},
 keywords={Poland - history - periodicals},
}