@misc{Volkelt_Johann_Gottlieb_(1721-1795)_Nachrichten,
 author={Volkelt, Johann Gottlieb (1721-1795)},
 copyright={Przemysław Wiater - egzemplarz},
 address={Leipzig},
 address={Breslau},
 howpublished={online},
 publisher={Gutsch, Christian Friedrich},
 language={ger},
 type={książka},
 title={Nachrichten von Schlesischen Bergwerken},
 keywords={Śląsk, Górnictwo, Kopalnie, Walonowie},
}