@misc{Laplace_P._S._Mechanik_1802,
 author={Laplace, P. S.},
 address={Berlin},
 howpublished={online},
 year={1802},
 publisher={F. T. La Garde},
 language={ger},
 type={text},
 title={Mechanik des Himmels. Tl. 2},
 keywords={Laplace, Pierre Simon, celestial mechanics},
}