@misc{_Opis_1960,
 editor={Polska Akademia Nauk. Zakład Dendrologii i Pomologii w Kórniku},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 howpublished={online},
 year={1960},
 language={pol},
 title={Opis drzewa doborowego. Jesion K-02-},
 type={Text},
 URL={http://www.rcin.org.pl/Content/159727/PDF/KOR001_176865_Jesion-02.pdf},
 keywords={plus trees, chosen tree, selection of trees, genetics of forest trees, Fraxinus sp., ash},
}