@misc{Boratyńska_Krystyna_Morphology_2006,
 author={Boratyńska, Krystyna and Filipiak, Maciej and Boratyński, Adam},
 volume={11},
 editor={Bugała, Władysław. Redaktor},
 editor={Polska Akademia Nauk. Instytut Dendrologii},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 journal={Nasze drzewa leśne},
 address={Poznań-Kórnik},
 howpublished={online},
 year={2006},
 publisher={Bogucki Wydawnictwo Naukowe},
 language={mul},
 title={Morphology and variability},
 type={Text},
 keywords={oaks, morphology of oaks, morfological variability, Quercus robur, Quercus petraea},
}