@misc{Wójciak_Hanna_Diversity,
 author={Wójciak, Hanna and Urban, Danuta},
 howpublished={online},
 publisher={Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej},
 language={eng ; pol},
 type={artykuł},
 title={Diversity of xerothermic grasslands in the Bug river valley (in the neighbourhood of Kryłów and Stare Stulno)},
 keywords={xerothermic grasslands, Bug River valley, neighbourhood of Kryłów and Stare Stulno},
}