@misc{Dzienis_Wacław_Plan_1948,
 author={Dzienis, Wacław},
 copyright={Rights Reserved - Restricted Access},
 howpublished={online},
 year={1948},
 language={pol},
 title={Plan tachimetryczny grodziska Nowy Dwór, pow. działdowski},
 keywords={archaeology, archaeological site, stronghold, geodesy, hipsometry, early Middle Ages -- Poland, Nowy Dwór, district Działdowo (Poland), Masovia (Poland), Prussia (Poland)},
}