@misc{Walch_Johann_Ernst_Immanuel_(1725–1778)._Autor_Autor_dedykacji_Das_1769,
 author={Walch, Johann Ernst Immanuel (1725–1778). Autor Autor dedykacji and Gebauer, Johann Justinus (1710–1772). Drukarz},
 copyright={Public Domain},
 address={Halle},
 howpublished={online},
 year={1769},
 publisher={bey Johann Justinus Gebauer},
 language={ger},
 title={Das Steinreich systematisch entworfen},
 type={Text},
 URL={http://www.rcin.org.pl/Content/215216/PDF/WA51_235075_PAN27575-r1769_Das-Steinreich-syste.pdf},
}