@misc{Neuenfeldt_Georg_(1627-1673)_Exercitatio,
 author={Neuenfeldt, Georg (1627-1673)},
 howpublished={online},
 publisher={Dantisci},
 publisher={Typis Rhetianis},
 language={lat},
 type={stary druk},
 title={Exercitatio Physica Extraordinaria De Metallis In Genere},
}