@misc{Zach_Franz_Xaver_von_Correspondance_1821,
 author={Zach, Franz Xaver von},
 address={A Génes},
 howpublished={online},
 year={1821},
 publisher={A. Ponthenier, imprimeur-fondeur},
 language={fre},
 type={text},
 title={Correspondance Astronomique, Géographique, Hydrographique et Statistique. Vol. V.},
 keywords={Zach, Franz, natural sciences and statistics, scholar's correspondence},
}