@misc{Madurowicz-Urbańska_Helena_(1918–2008)_Badania_1966,
 author={Madurowicz-Urbańska, Helena (1918–2008)},
 volume={8},
 copyright={Rights Reserved - Restricted Access},
 address={Warszawa},
 journal={Studia i Materiały z Historii Kultury Materialnej},
 journal={Studia z Dziejów Gospodarstwa Wiejskiego},
 howpublished={online},
 year={1966},
 publisher={PWN},
 language={pol},
 title={Badania nad cenami zboża a niektóre problemy badawcze rynku},
 type={Text},
 keywords={history of agriculture -- journal, fishing history -- journal, history of the agricultural industry -- journal, history of agricultural educational system -- journal},
}