@misc{Vasiluk_Alexi_Ukrainian,
 author={Vasiluk, Alexi and Parnikoza, Ivan},
 howpublished={online},
 publisher={Wydaw. UMCS},
 language={eng ; pol},
 type={artykuł},
 title={Ukrainian steppes: current state and perspektives for protection},
 keywords={Ukrainian steppe},
}