@misc{Dzięczkowski_Andrzej_(1932–_)_A_1987,
 author={Dzięczkowski, Andrzej (1932– )},
 volume={43},
 number={4},
 editor={Research Centre for the Protection of Nature and Natural Resources of the Polish Academy of Sciences},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 address={Kraków},
 journal={Let's protect Our Indigenous Nature},
 howpublished={online},
 year={1987},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 title={A devastation of the wild service trees, Sorbus torminalis, in the Wielkopolski (Major Poland) National Park},
 type={Text},
 URL={http://www.rcin.org.pl/Content/75584/PDF/KR038_95655_r1987-t43-no4_ChPO-Dzieczkowski-46-53.pdf},
 keywords={Wielkopolski National Park, Sorbus torminalis},
}