@ARTICLE{Grygoruk_Andrzej_Day_2019, author={Grygoruk, Andrzej}, number={Nr 3-4 (63-64) Forest}, journal={ACADEMIA. The magazine of the Polish Academy of Sciences}, pages={68-73}, howpublished={online}, year={2019}, publisher={Polish Academy of Sciences}, language={eng}, abstract={Andrzej Grygoruk, head of the Biebrza National Park, talks about Biebrza’s natural treasures and the difficulties in protecting them.}, type={Interview}, title={Day in the Life of a National Park}, URL={http://www.czasopisma.pan.pl/Content/116559/PDF-MASTER/68-73%20Grygoruk_Czytelnia_ang.pdf}, }