@misc{_Der_1796,
 editor={Hartknoch, Johann Friedrich (1740–1789). Wyd.},
 editor={Mellin, Ludwig August von (1754–1835). Rys.},
 editor={Champion, J. N. Ryt.},
 copyright={Public Domain},
 address={Riga},
 howpublished={online},
 year={1796},
 publisher={[s.n.]},
 language={ger},
 language={fre},
 title={Der Weissensteinsche Kreis = Le Cercle de Weissenstein},
 keywords={topographical maps, Paide region, Estonia, 18th century},
}