@misc{Falkowski_Michał_Betula_2002,
 author={Falkowski, Michał},
 volume={58},
 number={1},
 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 of the Polish Academy of Sciences},
 language={pol},
 title={Betula humilis on Wysoczyzna Siedlecka (Siedlce Plateau)},
 type={Text},
 URL={http://rcin.org.pl./Content/147986/PDF/KR038_176755_r2002-t58-no1_ChPO-Falkowski-109-114.pdf},
 keywords={Betula humilis},
}