@misc{_1991,
 volume={34},
 editor={Polska Akademia Nauk. Instytut Dendrologii},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 address={Poznań ; Warszawa},
 journal={Arboretum Kórnickie},
 howpublished={online},
 year={1991},
 publisher={Wydawnictwo Naukowe PWN},
 language={mul},
 type={Text},
 URL={http://www.rcin.org.pl/Content/154470/PDF/KOR001_148858.pdf},
}