@misc{_Sytuacya_[post, copyright={Public Domain}, address={[S.l.]}, howpublished={online}, year={[post 1807]}, publisher={[s.n.]}, language={pol}, title={Sytuacya powiatów pileckiego i siewierskiego}, keywords={chorographic maps, manuscript maps, Siewierz county, Piła county, 19th century}, }