@misc{Znatowicz_Bronisław_(1851-1917)_Zasady,
 author={Znatowicz, Bronisław (1851-1917)},
 howpublished={online},
 publisher={Warszawa : Gebethner i Wolff},
 language={pol},
 type={książka},
 title={Zasady chemii},
 keywords={Chemia},
}