@misc{_Opis_1961,
 editor={Polska Akademia Nauk. Zakład Dendrologii i Pomologii w Kórniku},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 howpublished={online},
 year={1961},
 language={pol},
 title={Opis drzewa doborowego. Jodła K-15-},
 type={Image},
 URL={http://www.rcin.org.pl/Content/145804/PDF/KOR001_177082_Jod%C5%82a-15.pdf},
 keywords={plus trees, chosen tree, selection of trees, genetics of forest trees, Abies alba, fir, register of plus trees},
}