@misc{Bek_Jadwiga_[et_al.]._Elektrotechnika,
 author={Bek, Jadwiga [et al.]. and Wojciechowski, Stefan (elektrotechnika).},
 copyright={Bek, Jadwiga [et al.].},
 copyright={Wojciechowski, Stefan (elektrotechnika).},
 howpublished={online},
 publisher={Technical University of Lodz Publisher},
 language={pol},
 title={Elektrotechnika teoretyczna : zadania, Cz. 1},
 type={book},
 type={language document},
 type={TUL textbook},
}