@misc{Freind_John_Praelectiones,
 author={Freind, John},
 howpublished={online},
 publisher={apud Janssonio-Waesbergios},
 language={lat},
 title={Praelectiones chymicae: in quibus omnes fere operationes chymicae ad vera principia et ipsius naturae leges rediguntur, oxonii habitae, a Joanne Freind [...]},
 type={stary druk},
 keywords={stary druk - 18 w., chemia, medycyna, Keil, Johann [s.a.], Frewin, Richard (1681?-1761), Newton, Isaac (1642/1643-1727), Freind, John (1675-1728)},
}