@misc{Prowe_Leopold_Friedrich_(1821-1887)_Nicolaus,
 author={Prowe, Leopold Friedrich (1821-1887)},
 address={Berlin},
 howpublished={online},
 publisher={Weidmannsche Buchhandlung},
 language={ger},
 type={książka},
 title={Nicolaus Coppernicus. Bd. 1, Das Leben. Tl. 1-2},
 keywords={Kopernik, Mikołaj (1473-1543)},
}