@misc{Lisicki_Stanisław_Litotypy,
 author={Lisicki, Stanisław},
 howpublished={online},
 title={Litotypy i litostratygrafia glin lodowcowych plejstocenu dorzecza Wisły = Lithotypes and lithostratigraphy of tills of the Pleistocene in the Vistula drainage basin area, Poland.},
}