@misc{Fober_Henryk_Differentiation_1974,
 author={Fober, Henryk and Giertych, Maciej and Kulerski, W. Translator},
 volume={13},
 editor={Instytute of Dendrology and Kórnik Arboretum of the Polish Academy of Sciences},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 journal={Arboretum Kórnickie},
 address={Warszawa},
 howpublished={online},
 year={1974},
 publisher={The Foreign Scientific Publications Department of the National Center for Scientific, Technical and Economic Information},
 language={mul},
 title={Differentiation of Spruce Seedlings of Polish Provenance in Relation to the Nitrogen Concentration in the Medium and Competition with Grass},
 type={Text},
 URL={http://www.rcin.org.pl/Content/142298/PDF/KOR001_146181.pdf},
 keywords={spruce seedlings, Polish provenance of spruce, nitrogen concentration, differentiation of spruce seedlings},
}