@misc{Kugler_Bernhard_(1837-1898)_Geschichte,
 author={Kugler, Bernhard (1837-1898)},
 address={Berlin},
 howpublished={online},
 publisher={G. Grote'sche Buchhandlung},
 language={ger},
 type={książka},
 title={Geschichte der Kreuzzüge},
 keywords={Wyprawy krzyżowe -- historia},
}