@misc{_Sanktpeterburg,
 howpublished={online},
 publisher={Tip. II - go Otdelenija Sobstv. Ego Imp. Vel. Kanceljarii},
 language={rus},
 type={mapa},
 title={Sanktpeterburg i Kronšlot v 1706 godu},
 keywords={mapy historyczne, Rosja 18w., Sankt Petersburg, Newa},
}