@misc{_Opis,
 editor={Polska Akademia Nauk. Zakład Dendrologii i Pomologii w Kórniku},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 howpublished={online},
 language={pol},
 title={Opis drzewa doborowego. Jesion K-08-},
 type={Text},
 URL={http://www.rcin.org.pl/Content/159731/PDF/KOR001_176868_Jesion-08.pdf},
 keywords={plus trees, chosen tree, selection of trees, genetics of forest trees, Fraxinus sp., ash},
}