@misc{Landau_Zbigniew_(1931–2018)_National_1976,
 author={Landau, Zbigniew (1931–2018)},
 volume={33},
 editor={Aleksandrowicz, Jan. Tr.},
 editor={Institute of History of the Polish Academy of Sciences},
 copyright={Rights Reserved - Free Access},
 journal={Acta Poloniae Historica},
 address={Wrocław},
 howpublished={online},
 year={1976},
 publisher={Zakład Narodowy im. Ossolińskich},
 language={eng},
 title={National Income in Historical Research},
 type={Text},
 URL={http://rcin.org.pl/Content/13964/PDF/WA303_30537_1976-33_APH_05_o.pdf},
 keywords={Poland 1918-1939, economy, industry, agriculture, national income, methodology},
}