@misc{Fober_Henryk_Variability_1971,
 author={Fober, Henryk and Giertych, Maciej},
 volume={16},
 editor={Zakład Dendrologii i Arboretum Kórnickie Polskiej Akademii Nauk},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 address={Poznań ; Warszawa},
 journal={Arboretum Kórnickie},
 howpublished={online},
 year={1971},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={mul},
 type={Text},
 title={Variability of Picea abies (L.) Karst. seed size, weight and mineral content in Poland},
 URL={http://www.rcin.org.pl/Content/142180/PDF/KOR001_146884.pdf},
 keywords={Picea abies, variability of Norway spruce in Poland},
}