@misc{Piechocki_Andrzej_(1938–_)_Mięczaki_1969,
 author={Piechocki, Andrzej (1938– )},
 volume={15},
 number={10},
 copyright={Rights Reserved - Free Access},
 address={Warszawa},
 journal={Fragmenta Faunistica},
 howpublished={online},
 year={1969},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 language={rus},
 language={ger},
 type={Text},
 title={Mięczaki (Mollusca) rzeki Grabi i jej terenu zalewowego = Mollûski (Mollusca) reki Grabi i ee pojmy},
 URL={http://www.rcin.org.pl/Content/54463/PDF/WA058_50606_P256-T15_Frag-Faun_Nr-10.pdf},
 keywords={Poland, Grabia (river), ecology, geography, Mollusca, molluscs, mollusks},
}