@misc{Karolewski_Piotr_Visible_1991,
 author={Karolewski, Piotr},
 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},
 type={Text},
 title={Visible and invisible injury to Scots pine (Pinus sylvestris L.) needles caused by sulphur dioxide},
 title={Visible and invisible injury to Scots pine (Pinus sylvestris L.) needles caused by sulphur dioxide},
 URL={http://rcin.org.pl/Content/159883/PDF/KOR001_148933.pdf},
 keywords={Pinus sylvestris, injury to Scots pine needles, air pollution, proline, hydroxyproline, sulphur dioxide},
}