@misc{Aleksander_Krzemiński_The_1957,
 author={Aleksander Krzemiński},
 address={Poznań},
 year={1957},
 contents={Strona 7},
 publisher={Poznań : IZ,},
 language={pol},
 title={The Leipzig Fair as the Index of International Trade relations of the German Democratic Republic},
 type={text},
}