@misc{_Nicholas,
 copyright={Polska Akademia Nauk},
 address={Wrocław},
 howpublished={online},
 publisher={Ossolineum The Polish Academy of Science Press},
 language={eng},
 type={książka},
 title={Nicholas Copernicus : quincentenary celebrations final report},
 keywords={Kopernik, Mikołaj (1473-1543), astronomia polska},
}