@misc{Repsold_Johann_A._Zur_1908,
 author={Repsold, Johann A.},
 address={Leipzig},
 howpublished={online},
 year={1908},
 publisher={Verlag von Wilhelm Engelmann},
 language={ger},
 type={text},
 title={Zur Geschichte der Astronomischen Messwerkzeuge von Purbach bis Reichenbach},
 keywords={astronomical instruments history, instruments from Purbach to Reichenbach, instruments from 1450 to 1830},
}