@misc{Nicolai_Henryk_(1605-1660)_Michaelia,
 author={Nicolai, Henryk (1605-1660)},
 howpublished={online},
 publisher={Georg Rhete},
 language={lat},
 title={Michaelia = Hoc est, De Angelis, Eorum natura, officio, speciebus, diversitatibus, effectis, & similibus, Exercitatio Scholastica Singularis [...]},
 type={starodruk},
}