@misc{Boratyński_Adam_Acer_1980-1984,
 author={Boratyński, Adam},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 howpublished={online},
 year={1980-1984},
 title={Acer campestre L.},
 type={Image},
 URL={http://rcin.org.pl/Content/190598/PDF/KOR001_224029_1980-1984_Acer-campestre-L-.pdf},
 keywords={botanical drawings, field maple},
}