@misc{Zdzisław_Puślecki_Wymiana_1988,
 author={Zdzisław Puślecki},
 address={Poznań},
 year={1988},
 contents={Strona 63-80},
 publisher={Poznań : IZ,},
 language={pol},
 title={Wymiana handlowa między NRD i RFN},
 type={text},
}