@misc{Chałupka_Władysław_Effect_1991,
 author={Chałupka, Władysław and Fober, Henryk},
 volume={35},
 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},
 title={Effect of polythene covers on the content of mineral elements in the needles and buds of Picea abies (L.) Karst. grafts},
 title={Effect of polythene covers on the content of mineral elements in the needles and buds of Picea abies (L.) Karst. grafts},
 type={Text},
 URL={http://www.rcin.org.pl/Content/157640/PDF/KOR001_148932.pdf},
 keywords={Picea abies, Norway spruce, mineral nutrients, strobili initiation},
}