@misc{Browicz_Kazimierz_Maps_1984,
 author={Browicz, Kazimierz and Zieliński, Jerzy},
 volume={4},
 editor={Polish Academy of Sciences. Institute of Dendrology},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 address={Warszawa-Poznań},
 howpublished={online},
 year={1984},
 publisher={Polish Scientific Publishers},
 language={mul},
 type={Image},
 title={Maps},
 URL={http://www.rcin.org.pl/Content/155515/PDF/KOR001_156019_1984_Maps.pdf},
}