@misc{Koprowski_Marcin_The_2002,
 author={Koprowski, Marcin},
 volume={58},
 number={4},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Let's protect Our Indigenous Nature},
 address={Kraków},
 howpublished={online},
 year={2002},
 publisher={Institute of Nature Conservation Polish Academy of Sciences},
 language={pol},
 title={The station of old spruces Picea abies in the Masurian Lake District},
 type={Text},
 URL={http://rcin.org.pl./Content/71637/PDF/KR038_89560_r2002-t58-no4_ChPO-Koprowski-94-97.pdf},
 keywords={spruce, Masurian Lake District, Picea abies},
}