@misc{Seidel_Viktor_Der,
 author={Seidel, Viktor},
 address={Breslau},
 howpublished={online},
 publisher={Ferdinand Hirt},
 language={ger},
 type={tekst},
 title={Der Beginn der deutschen Besiedlung Schlesiens},
 keywords={"Leopoldina online", 11 w., 12 w., 13 w.},
}