@misc{Mączak_Antoni_(1928–2003)_Export_1968,
 author={Mączak, Antoni (1928–2003)},
 volume={18},
 editor={Tymowska, Ewa. 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={1968},
 publisher={Zakład Narodowy im. Ossolińskich},
 language={eng},
 type={Text},
 title={Export of Grain and the Problem of Distribution of National Income in the Years 1550-1650},
 URL={http://www.rcin.org.pl/Content/5534/PDF/WA303_19109_1968-18_APH_06.pdf},
 keywords={grain trade, export, transport, national income, Europe 16th-17th c., Poland 16th-17th c.},
}