@misc{Żytkowicz_Leonid_(1910–1991)_Grain_1971,
 author={Żytkowicz, Leonid (1910–1991)},
 volume={24},
 editor={Lepa, Eugeniusz. Tr.},
 editor={Institute of History of the Polish Academy of Sciences},
 copyright={Rights Reserved - Free Access},
 address={Wrocław},
 journal={Acta Poloniae Historica},
 howpublished={online},
 year={1971},
 publisher={Zakład Narodowy im. Ossolińskich},
 language={eng},
 type={Text},
 title={Grain Yields in Poland, Bohemia, Hungary, and Slovakia in the 16th to 18th Centuries},
 URL={http://rcin.org.pl/ihpan/Content/13935/PDF/WA303_30499_1971-24_APH_03_o.pdf},
 keywords={Poland 16th, 17th, 18th c., Bohemia 16th, 17th, 18th c., Hungary 16th, 17th, 18th c., Slovakia 16th, 17th, 18th c., grain cultivation, agriculture},
}