@misc{Knackfuss_Hermann_(1848-1915)_Michelangelo,
 author={Knackfuss, Hermann (1848-1915)},
 address={Bielefeld},
 address={Leipzig},
 howpublished={online},
 publisher={Verlag von Velhagen & Klasing},
 language={ger},
 type={książka},
 title={Michelangelo},
 keywords={Buonarroti, Michelangelo (1475-1564)},
}