@misc{Volhard_Jakob_(1834–1910)_Justus_1909,
 author={Volhard, Jakob (1834–1910)},
 copyright={Public Domain},
 address={Leipzig},
 howpublished={online},
 year={1909},
 publisher={Verlag von Johann Ambrosius Barth},
 language={ger},
 title={Justus von Liebig. Bd. 2},
 type={Text},
 URL={http://www.rcin.org.pl/Content/213834/PDF/WA488_249089_13-2_Justus-von-Liebig-2.pdf},
 keywords={Liebig, Justus von (1803-1873)},
}