@misc{Wiktor_Andrzej_Gastropoda_2002, author={Wiktor, Andrzej and Riedel, Adolf (1930–2010)}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Kraków}, howpublished={online}, year={2002}, publisher={Institute of Nature Conservation of the Polish Academy of Sciences}, language={pol}, title={Gastropoda terrestria Terrestrial gastropods}, type={Text}, URL={http://rcin.org.pl/iop/Content/115551/PDF/KR038_97321_r2002_CzLZ-Wiktor-27-33.pdf}, keywords={red data list, threatened species, molluscs, gastropods, terrestrial gastropods, Mollusca, Gastropoda terrestria}, }