@misc{Nicolai_Henryk_(1605-1660)_De,
 author={Nicolai, Henryk (1605-1660)},
 howpublished={online},
 publisher={Gedani},
 publisher={Typis Georgii Rhetii},
 language={lat},
 type={stary druk},
 title={De Oppositione Envntiatorvm, Tractatus Singularis. Philosophico - Theologicus [...] /},
}