@misc{Boratyński_Adam_Carpinus_1980,
 author={Boratyński, Adam},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 howpublished={online},
 year={1980},
 type={Image},
 title={Carpinus cordata Blume},
 URL={http://rcin.org.pl./Content/206412/PDF/KOR001_226347_Carpinus-cordata-B.pdf},
 keywords={fruit structure, heart-shaped hornbeam},
}