@misc{Nicolai_Henryk_(1605-1660)_De,
 author={Nicolai, Henryk (1605-1660)},
 howpublished={online},
 publisher={Georg Rhete},
 language={lat},
 language={grc},
 title={De Contradictionis Natura & principio, Tractatus Singularis. Philosophico-Theologicus [...]},
 type={starodruk},
}