@misc{Fober_Henryk_The_1974,
 author={Fober, Henryk},
 volume={19},
 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={1974},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={mul},
 type={Text},
 title={The effect of potassium, megnesium and calcium supply on the growth, development and mineral composition of Norway spruce (Picea abies (L.) Karst.) seedlings},
 URL={http://www.rcin.org.pl/Content/188524/PDF/KOR001_146972.pdf},
 keywords={Picea abies, seedlings of Norway spruce, mineral composition of medium},
}