@misc{Krollmann_Christian_Der,
 author={Krollmann, Christian},
 howpublished={online},
 publisher={s.n.},
 language={ger},
 title={Der Deutsche Orden und die Stedinger},
 type={książka},
 keywords={Zakon Krzyżacki - historia, Krollmann, Christian (1866-1944), Stedingerzy},
}