@misc{Boratyński_Adam_Corylus_1980,
 author={Boratyński, Adam},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 howpublished={online},
 year={1980},
 title={Corylus avellana L.},
 type={Image},
 URL={http://rcin.org.pl/Content/190586/PDF/KOR001_224748_1980_Corylus-avellana-L-.pdf},
 keywords={flower strukture, fruit structure, Betulaceae, Corylus avellana, hazel},
}