@misc{Valck_Gerard_(ca.1651-1726)_Astygnomon_[1690],
 author={Valck, Gerard (ca.1651-1726)},
 address={Amsterdam},
 howpublished={online},
 year={[1690]},
 publisher={Valck},
 type={mapa},
 title={Astygnomon Sive Europaearum Urbium Maxime in Signium Index Earum Distantias mut Uas Perquam Accurate Ostendens},
 keywords={Europa - 18 w., tablice dystansowe, kartografia, mapy - 18 w.},
}