@misc{Białobok_Stefan._Redaktor_The_1989,
 author={Białobok, Stefan. Redaktor},
 volume={21},
 editor={Białobok, Stefan. Redaktor},
 editor={Polska Akademia Nauk. Instytut Dendrologii},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 address={Warszawa-Poznań},
 journal={Nasze drzewa leśne},
 howpublished={online},
 year={1989},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={mul},
 type={Text},
 title={The danger posed by air pollution to forests in Poland},
 URL={http://rcin.org.pl/Content/176366/PDF/KOR001_155453_1989_Zagrozenie-lasow-w-P.pdf},
 keywords={trees in polluted environment, industrial pollution, danger to forests in Poland},
}