@misc{Piechocki_Andrzej_(1938–_)_Gastropoda_2002, author={Piechocki, Andrzej (1938– )}, 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 aquatica Aquatic gastropods}, type={Text}, URL={http://rcin.org.pl/iop/Content/115224/PDF/KR038_97342_r2002_CzLZ-Piechocki-34-37.pdf}, keywords={red data list, threatened species, molluscs, gastropods, aquatic gastropods, Gastropoda aquatica}, }