@misc{Friedrich_Stefan_(1950–_)_An_2003,
 author={Friedrich, Stefan (1950– ) and Jasnowska, Janina (1925– )},
 volume={59},
 number={2},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Let's protect Our Indigenous Nature},
 howpublished={online},
 year={2003},
 publisher={Institute of Nature Conservation Polish Academy of Sciences},
 language={pol},
 type={Text},
 title={An attempt at the solution of the problem of plant species protection in private agricultural estates on the example of the Rozwarowskie Marshlands ( Western Pomerania)},
 URL={http://rcin.org.pl/Content/71738/PDF/KR038_89530_r2003-t59-no2_ChPO-Friedrich-99-104.pdf},
 keywords={Rozwarowskie Marshlands, sweetgale, Myrica gale, Czarnocin, Wiejkowski Las},
}