@misc{Chałupka_Władysław_Selected_1990,
 author={Chałupka, Władysław},
 volume={10},
 editor={Białobok, Stefan. Redaktor},
 editor={Polska Akademia Nauk. Instytut Dendrologii},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 address={Warszawa-Poznań},
 journal={Nasze drzewa leśne},
 howpublished={online},
 year={1990},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 type={Text},
 title={Selected growth and development problems},
 URL={http://www.rcin.org.pl/Content/146011/PDF/KOR001_154199_1990_Wybrane-zagadnienia.pdf},
 keywords={beech, growth of beech, development of beech, Fagus sylvatica},
}