@misc{Łopucki_Rafał_Cases,
 author={Łopucki, Rafał and Mróz, Iwona},
 howpublished={online},
 publisher={Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej},
 language={eng ; pol},
 type={artykuł},
 title={Cases of colouration anomalies in small mammals of Poland, and reasons for their incidence},
 keywords={colouration anomalies, albinism, melanism, small mammals, habitat isolation},
}