@misc{Hess_German_Ivanovič_(1802–1850)_Thermochemische_1890,
 author={Hess, German Ivanovič (1802–1850)},
 editor={Ostwald, Wilhelm (1853–1932). Wyd.},
 copyright={Public Domain},
 address={Leipzig},
 journal={Ostwalds Klassiker der Exakten Wissenschaften},
 howpublished={online},
 year={1890},
 publisher={W. Engelmann},
 language={ger},
 title={Thermochemische Untersuchungen},
 URL={http://rcin.org.pl/Content/68114/WA35_89026_7349-9_Thermochemische.pdf},
}