@ARTICLE{Zajączkowski_Jacek_TREES_2015,
 author={Zajączkowski, Jacek},
 number={No 22},
 journal={Papers on Global Change IGBP},
 howpublished={online},
 year={2015},
 publisher={Polish Academy of Sciences},
 title={TREES OUTSIDE FOREST IN POLAND},
 URL={http://journals.pan.pl/Content/98881/mainfile.pdf},
 doi={10.1515/igbp-2015-0015},
}