@misc{Janczak_Julian_O_1966,
 author={Janczak, Julian},
 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={O potrzebie ustalenia teoretycznych norm wysiewów},
 type={Text},
 keywords={history of agriculture -- journal, fishing history -- journal, history of the agricultural industry -- journal, history of agricultural educational system -- journal},
}