@misc{Eichstadt_Wawrzyniec_Ephemeris,
 author={Eichstadt, Wawrzyniec},
 howpublished={online},
 publisher={A. Hunefeld},
 language={lat},
 title={Ephemeris parva Gedanensi urbi [...] Autore. Laurentio Eichstadio [...]},
 keywords={Gdańsk 17w., kalendarz 17w.},
}