@misc{Klein_Hermann_Principien_1872,
 author={Klein, Hermann},
 copyright={Public Domain},
 address={Leipzig},
 howpublished={online},
 year={1872},
 publisher={B.G. Teubner},
 language={ger},
 title={Principien der Mechanik historisch und kritisch dargestellt},
 type={Text},
}