@misc{_Plan_[post,
 copyright={Copyright by Uniwersytet Wrocławski},
 copyright={University of Wroclaw},
 address={Breslau},
 howpublished={online},
 year={[post 1757]},
 publisher={Korn, Johann Jacob},
 title={Plan der Bataille beÿ Bresslau am 22.ten Novembris Ao. 1757.},
 keywords={18 w., plan bitwy, Wrocław},
}