@misc{Stecki_Zbigniew_Studies_1971,
 author={Stecki, Zbigniew},
 volume={16},
 editor={Zakład Dendrologii i Arboretum Kórnickie Polskiej Akademii Nauk},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 journal={Arboretum Kórnickie},
 address={Poznań ; Warszawa},
 howpublished={online},
 year={1971},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={mul},
 type={Text},
 title={Studies on the growth rhythm in Poplar Hybrids during the vegetation period},
 URL={http://www.rcin.org.pl/Content/142192/PDF/KOR001_146888.pdf},
 keywords={poplar hybrids, growth in poplar hybrids},
}