@misc{Środoń_Andrzej_(1908–1998)_Hornbeam_1993,
 author={Środoń, Andrzej (1908–1998)},
 volume={9},
 editor={Bugała, Władysław. Redaktor},
 editor={Polska Akademia Nauk. Instytut Dendrologii},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 address={Poznań-Kórnik},
 journal={Nasze drzewa leśne},
 howpublished={online},
 year={1993},
 publisher={Sorus},
 language={pol},
 type={Text},
 title={Hornbeam in the forest history of Poland},
 URL={http://www.rcin.org.pl/Content/194940/PDF/KOR001_154145_1993_Grab-w-historii-laso.pdf},
 keywords={Carpinus betulus, hornbeam, history of forests, paleobotany},
}