@misc{Gawrysiak_Leszek_Spatial,
 author={Gawrysiak, Leszek and Harasimiuk, Marian (1941-)},
 howpublished={online},
 publisher={Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej},
 language={eng ; pol},
 type={artykuł},
 title={Spatial diversity of gully density of the Lublin Upland and Roztocze Hills (SE Poland)},
 keywords={gullies, road gullies, odra glaciation, Lublin Upland, Poland},
}