The State Forests in Figures 2018
https://www.lasy.gov.pl/pl/informacje/publikacje/in-english/the-state-forests-in-figures/the-state-forests-in-figures-2018.pdf/view
https://www.lasy.gov.pl/pl/informacje/publikacje/in-english/the-state-forests-in-figures/the-state-forests-in-figures-2018.pdf/@@download/image/SF_in_Figures_2018_okladka.jpg
The State Forests in Figures 2018