@misc{Krupa_Adam_A_1999,
 author={Krupa, Adam and Krupa, Katarzyna},
 volume={55},
 number={1},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Let's protect Our Indigenous Nature},
 howpublished={online},
 year={1999},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 type={Text},
 title={A new station of Campanula cervicaria in the eastern part of Wielkopolska},
 URL={http://www.rcin.org.pl/Content/139482/PDF/KR038_167845_r1999-t55-no4_ChPO-Krupa-82-84.pdf},
 keywords={Campanula cervicaria},
}