@misc{_Quadrantem,
 howpublished={online},
 language={ger},
 type={rękopis},
 title={Quadrantem Horographicum delineare, et ejus ope [!] omnis generis horologia plana describere},
 keywords={Bibliotheca Scherschnickiana, astronomia, zegary słoneczne, pomiary nieba},
}