@misc{Borchert_Zbigniew_Geology,
 author={Borchert, Zbigniew and Miotk-Szpiganowicz, Grażyna and Olszak, Ireneusz J.},
 howpublished={online},
 title={Geology and palaeogeography of Sławoszyno area, southern part of Nizina Karwieńska.},
}