@misc{Jakuszewski_Tadeusz_Studies_1973,
 author={Jakuszewski, Tadeusz},
 volume={18},
 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={1973},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={mul},
 type={Text},
 title={Studies on the variation and inheritance in a Gorce population of the Karelian birch (Betula pendula Roth. var. carelica (Merklin) Hejtmánek)},
 URL={http://www.rcin.org.pl/Content/151495/PDF/KOR001_146931.pdf},
 keywords={Betula pendula, Gorce population of the Karelian birch, population variability},
}