@misc{Zivier_Ezechiel_(1868-1925)_Bergregal,
 author={Zivier, Ezechiel (1868-1925)},
 howpublished={online},
 publisher={[b.w.]},
 language={ger},
 title={Bergregal in Schlesien},
 type={odbitka},
 keywords={prawo górnicze},
}