@misc{H_Potonié_(1857-1913)_Elemente_1894,
 author={H, Potonié (1857-1913)},
 address={Berlin},
 howpublished={online},
 year={1894},
 publisher={Verlag von Julius Springer},
 language={ger},
 type={książka},
 title={Elemente der Botanik},
}