@misc{Endler_Zbigniew_The_2002,
 author={Endler, Zbigniew and Grzybowski, Mirosław},
 volume={58},
 number={5},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Let's protect Our Indigenous Nature},
 howpublished={online},
 year={2002},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 type={Text},
 title={The new station of Wolffia arrhiza in the area of Olsztyn},
 URL={http://rcin.org.pl/Content/107475/PDF/KR038_110739_r2002-t58-no5_ChPO-Endler-101-105.pdf},
 keywords={Wolffia arrhiza},
}