@misc{Danckerts_Justus_(1635–1701)_Ducatus_[post,
 author={Danckerts, Justus (1635–1701)},
 copyright={Public Domain},
 address={Amstelodami},
 howpublished={online},
 year={[post 1655]},
 publisher={per Iustinum Danckerts, cum Privilegio Ordinum Holland. et Westfrisiae},
 language={lat},
 title={Ducatus Mediolanensis Parmensis Et Montisferrati cum Omnibus suis Provinciis Novissima Descriptio},
 type={Image},
 URL={http://www.rcin.org.pl/Content/163442/PDF/WA51_192928_BKS446-48-r1655_Ducatus-Mediolanensi_00000001.pdf},
 keywords={chorographic maps, political-administrative maps, Duchy of Milan, Duchy of Parma and Piaceza},
}