@misc{Broniewska_Katarzyna_Quercus_2009-2019,
 author={Broniewska, Katarzyna and Jędrowiak, Anna},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 howpublished={online},
 year={2009-2019},
 language={mul},
 title={Quercus rubra L.},
}