@misc{Umiński_Tomasz_Vitrinidae_1983,
 author={Umiński, Tomasz},
 volume={37},
 editor={Instytut Zoologii Polskiej Akademii Nauk},
 number={8},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Annales Zoologici},
 address={Warszawa},
 howpublished={online},
 year={1983},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={eng},
 title={Vitrinidae (Mollusca, Gastropoda) of Poland. Their density and related problems},
 type={Text},
 URL={http://rcin.org.pl/miiz/Content/57195/PDF/WA058_10629_P255-T37_Annal-Zool_Nr-8.pdf},
 keywords={species biology, ecology, phenology, Mollusca, Gastropoda, Vitrinidae},
}