@misc{Rister_Herbert._Bearb._Schlesische,
 author={Rister, Herbert. Bearb.},
 address={Marburg/Lahn},
 howpublished={online},
 publisher={Johann Gottfried Herder Institut},
 language={ger},
 title={Schlesische Bibliographie 1961-1963. Bd. 2},
 keywords={Śląsk, bibliografia},
}