@misc{Hennel_Andrzej_(1949-_)_Pola,,
 author={Hennel, Andrzej (1949- )},
 address={Warszawa},
 howpublished={online},
 publisher={Wydaw. Naukowe PWN},
 language={pol},
 title={Pola, obwody, termodynamika},
 type={książka},
}