@misc{Chmiel_Julian_Orobanche_1987,
 author={Chmiel, Julian},
 volume={43},
 editor={Research Centre for the Protection of Nature and Natural Resources of the Polish Academy of Sciences},
 number={1},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Let's protect Our Indigenous Nature},
 address={Warszawa},
 address={Kraków},
 howpublished={online},
 year={1987},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 title={Orobanche purpurea on Lake Suszewskie in the Gniezno Lake District},
 type={Text},
 URL={http://rcin.org.pl/Content/80996/PDF/KR038_100139_r1987-t43-no1_ChPO-Chmiel-52-54.pdf},
 keywords={Gniezno Lakeland, Orobanche purpurea, Orobanche coerulea},
}