@misc{Karol_J._Błahut_Bożena_Błahut_Summary_1973,
 author={Karol J. Błahut, Bożena Błahut},
 address={Poznań},
 year={1973},
 contents={Strona 3},
 publisher={Poznań : IZ,},
 language={pol},
 title={Summary – Methods of prognosticating the development of the economic integration processes in capitalism},
 type={text},
}