@misc{Riemann_Bernhard_(1826–1866)_Schwere,_1876,
 author={Riemann, Bernhard (1826–1866)},
 editor={Hattendorff, Karl (1834–1882). Red.},
 copyright={Public Domain},
 address={Hannover},
 howpublished={online},
 year={1876},
 publisher={Carl Rümpler},
 publisher={(August Grimpe)},
 language={ger},
 language={ger},
 type={Text},
 title={Schwere, Elektricität und Magnetismus},
 URL={http://rcin.org.pl/Content/66238/PDF/WA35_17193_5517_Schwere.pdf},
}