@misc{Skrzypiński_Piotr_(1817–1902)_Krajobraz_1859, author={Skrzypiński, Piotr (1817–1902)}, copyright={Public Domain}, address={[Warszawa]}, howpublished={online}, year={1859}, publisher={w Lito: Juliana Müller}, language={pol}, title={Krajobraz średnich wieków}, keywords={historical maps, Europe, Middle Ages}, }